Home / 747,125.82-1,031,031.33-407,591.64

Finding the Fourth Proportional to 747,125.82, 1,031,031.33 and 407,591.64

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Solution

The fourth proportional to 747,125.82, 1,031,031.33 and 407,591.64 is: 562,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,125.82 : 1,031,031.33 = 407,591.64 : x
  2. Step 2: Convert to fraction form
    747,125.82/1,031,031.33 = 407,591.64/x
  3. Step 3: Cross multiply
    747,125.82x = 1,031,031.33 × 407,591.64
  4. Step 4: Simplify right side
    747,125.82x = 420,239,750,686.08
  5. Step 5: Solve for x
    x = 420,239,750,686.08/747,125.82
  6. Step 6: Final answer
    x = 562,475.21

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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.