Home / 747,866.07-1,032,276.02-521,584.47

Finding the Fourth Proportional to 747,866.07, 1,032,276.02 and 521,584.47

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Solution

The fourth proportional to 747,866.07, 1,032,276.02 and 521,584.47 is: 719,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,866.07 : 1,032,276.02 = 521,584.47 : x
  2. Step 2: Convert to fraction form
    747,866.07/1,032,276.02 = 521,584.47/x
  3. Step 3: Cross multiply
    747,866.07x = 1,032,276.02 × 521,584.47
  4. Step 4: Simplify right side
    747,866.07x = 538,419,138,177.49
  5. Step 5: Solve for x
    x = 538,419,138,177.49/747,866.07
  6. Step 6: Final answer
    x = 719,940.59

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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.