Home / 747,658.71-1,031,755.81-425,361.89

Finding the Fourth Proportional to 747,658.71, 1,031,755.81 and 425,361.89

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Solution

The fourth proportional to 747,658.71, 1,031,755.81 and 425,361.89 is: 586,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,658.71 : 1,031,755.81 = 425,361.89 : x
  2. Step 2: Convert to fraction form
    747,658.71/1,031,755.81 = 425,361.89/x
  3. Step 3: Cross multiply
    747,658.71x = 1,031,755.81 × 425,361.89
  4. Step 4: Simplify right side
    747,658.71x = 438,869,601,360.08
  5. Step 5: Solve for x
    x = 438,869,601,360.08/747,658.71
  6. Step 6: Final answer
    x = 586,991.89

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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.