Home / 721,749.16-1,082,696.46-248,372.20

Finding the Fourth Proportional to 721,749.16, 1,082,696.46 and 248,372.20

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Solution

The fourth proportional to 721,749.16, 1,082,696.46 and 248,372.20 is: 372,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,749.16 : 1,082,696.46 = 248,372.20 : x
  2. Step 2: Convert to fraction form
    721,749.16/1,082,696.46 = 248,372.20/x
  3. Step 3: Cross multiply
    721,749.16x = 1,082,696.46 × 248,372.20
  4. Step 4: Simplify right side
    721,749.16x = 268,911,701,702.41
  5. Step 5: Solve for x
    x = 268,911,701,702.41/721,749.16
  6. Step 6: Final answer
    x = 372,583.32

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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.