Home / 907,542.55-1,252,361.16-499,564.71

Finding the Fourth Proportional to 907,542.55, 1,252,361.16 and 499,564.71

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Solution

The fourth proportional to 907,542.55, 1,252,361.16 and 499,564.71 is: 689,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,542.55 : 1,252,361.16 = 499,564.71 : x
  2. Step 2: Convert to fraction form
    907,542.55/1,252,361.16 = 499,564.71/x
  3. Step 3: Cross multiply
    907,542.55x = 1,252,361.16 × 499,564.71
  4. Step 4: Simplify right side
    907,542.55x = 625,635,439,710.66
  5. Step 5: Solve for x
    x = 625,635,439,710.66/907,542.55
  6. Step 6: Final answer
    x = 689,373.12

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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.