Home / 987,546.28-1,362,841.86-557,844.52

Finding the Fourth Proportional to 987,546.28, 1,362,841.86 and 557,844.52

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Solution

The fourth proportional to 987,546.28, 1,362,841.86 and 557,844.52 is: 769,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,546.28 : 1,362,841.86 = 557,844.52 : x
  2. Step 2: Convert to fraction form
    987,546.28/1,362,841.86 = 557,844.52/x
  3. Step 3: Cross multiply
    987,546.28x = 1,362,841.86 × 557,844.52
  4. Step 4: Simplify right side
    987,546.28x = 760,253,863,227.61
  5. Step 5: Solve for x
    x = 760,253,863,227.61/987,546.28
  6. Step 6: Final answer
    x = 769,841.25

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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.