Home / 731,421.27-1,008,955.04-425,463.21

Finding the Fourth Proportional to 731,421.27, 1,008,955.04 and 425,463.21

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Solution

The fourth proportional to 731,421.27, 1,008,955.04 and 425,463.21 is: 586,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,421.27 : 1,008,955.04 = 425,463.21 : x
  2. Step 2: Convert to fraction form
    731,421.27/1,008,955.04 = 425,463.21/x
  3. Step 3: Cross multiply
    731,421.27x = 1,008,955.04 × 425,463.21
  4. Step 4: Simplify right side
    731,421.27x = 429,273,247,936.76
  5. Step 5: Solve for x
    x = 429,273,247,936.76/731,421.27
  6. Step 6: Final answer
    x = 586,902.88

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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.