Home / 730,734.16-1,093,345.08-431,377.60

Finding the Fourth Proportional to 730,734.16, 1,093,345.08 and 431,377.60

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Solution

The fourth proportional to 730,734.16, 1,093,345.08 and 431,377.60 is: 645,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,734.16 : 1,093,345.08 = 431,377.60 : x
  2. Step 2: Convert to fraction form
    730,734.16/1,093,345.08 = 431,377.60/x
  3. Step 3: Cross multiply
    730,734.16x = 1,093,345.08 × 431,377.60
  4. Step 4: Simplify right side
    730,734.16x = 471,644,576,582.21
  5. Step 5: Solve for x
    x = 471,644,576,582.21/730,734.16
  6. Step 6: Final answer
    x = 645,439.34

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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.