Home / 721,896.30-1,082,844.45-223,260.30

Finding the Fourth Proportional to 721,896.30, 1,082,844.45 and 223,260.30

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Solution

The fourth proportional to 721,896.30, 1,082,844.45 and 223,260.30 is: 334,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,896.30 : 1,082,844.45 = 223,260.30 : x
  2. Step 2: Convert to fraction form
    721,896.30/1,082,844.45 = 223,260.30/x
  3. Step 3: Cross multiply
    721,896.30x = 1,082,844.45 × 223,260.30
  4. Step 4: Simplify right side
    721,896.30x = 241,756,176,760.34
  5. Step 5: Solve for x
    x = 241,756,176,760.34/721,896.30
  6. Step 6: Final answer
    x = 334,890.45

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Half scale
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Double scale
Find fourth proportional to 721,897.30, 1,082,845.95 and 223,261.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.