Home / 987,645.13-1,363,060.89-557,952.93

Finding the Fourth Proportional to 987,645.13, 1,363,060.89 and 557,952.93

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Solution

The fourth proportional to 987,645.13, 1,363,060.89 and 557,952.93 is: 770,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,645.13 : 1,363,060.89 = 557,952.93 : x
  2. Step 2: Convert to fraction form
    987,645.13/1,363,060.89 = 557,952.93/x
  3. Step 3: Cross multiply
    987,645.13x = 1,363,060.89 × 557,952.93
  4. Step 4: Simplify right side
    987,645.13x = 760,523,817,343.91
  5. Step 5: Solve for x
    x = 760,523,817,343.91/987,645.13
  6. Step 6: Final answer
    x = 770,037.53

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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.