Home / 747,613.60-1,031,670.48-408,061.60

Finding the Fourth Proportional to 747,613.60, 1,031,670.48 and 408,061.60

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Solution

The fourth proportional to 747,613.60, 1,031,670.48 and 408,061.60 is: 563,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,613.60 : 1,031,670.48 = 408,061.60 : x
  2. Step 2: Convert to fraction form
    747,613.60/1,031,670.48 = 408,061.60/x
  3. Step 3: Cross multiply
    747,613.60x = 1,031,670.48 × 408,061.60
  4. Step 4: Simplify right side
    747,613.60x = 420,985,106,741.57
  5. Step 5: Solve for x
    x = 420,985,106,741.57/747,613.60
  6. Step 6: Final answer
    x = 563,105.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.