Home / 747,197.34-1,031,135.67-407,672.70

Finding the Fourth Proportional to 747,197.34, 1,031,135.67 and 407,672.70

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Solution

The fourth proportional to 747,197.34, 1,031,135.67 and 407,672.70 is: 562,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,197.34 : 1,031,135.67 = 407,672.70 : x
  2. Step 2: Convert to fraction form
    747,197.34/1,031,135.67 = 407,672.70/x
  3. Step 3: Cross multiply
    747,197.34x = 1,031,135.67 × 407,672.70
  4. Step 4: Simplify right side
    747,197.34x = 420,365,862,655.21
  5. Step 5: Solve for x
    x = 420,365,862,655.21/747,197.34
  6. Step 6: Final answer
    x = 562,590.15

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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.