Home / 747,614.32-1,031,707.48-408,082.57

Finding the Fourth Proportional to 747,614.32, 1,031,707.48 and 408,082.57

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Solution

The fourth proportional to 747,614.32, 1,031,707.48 and 408,082.57 is: 563,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,614.32 : 1,031,707.48 = 408,082.57 : x
  2. Step 2: Convert to fraction form
    747,614.32/1,031,707.48 = 408,082.57/x
  3. Step 3: Cross multiply
    747,614.32x = 1,031,707.48 × 408,082.57
  4. Step 4: Simplify right side
    747,614.32x = 421,021,839,926.62
  5. Step 5: Solve for x
    x = 421,021,839,926.62/747,614.32
  6. Step 6: Final answer
    x = 563,153.79

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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.