Home / 721,865.80-1,082,798.70-223,229.80

Finding the Fourth Proportional to 721,865.80, 1,082,798.70 and 223,229.80

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Solution

The fourth proportional to 721,865.80, 1,082,798.70 and 223,229.80 is: 334,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,865.80 : 1,082,798.70 = 223,229.80 : x
  2. Step 2: Convert to fraction form
    721,865.80/1,082,798.70 = 223,229.80/x
  3. Step 3: Cross multiply
    721,865.80x = 1,082,798.70 × 223,229.80
  4. Step 4: Simplify right side
    721,865.80x = 241,712,937,241.26
  5. Step 5: Solve for x
    x = 241,712,937,241.26/721,865.80
  6. Step 6: Final answer
    x = 334,844.70

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Double scale
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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.