Home / 987,626.98-1,363,036.01-557,934.78

Finding the Fourth Proportional to 987,626.98, 1,363,036.01 and 557,934.78

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Solution

The fourth proportional to 987,626.98, 1,363,036.01 and 557,934.78 is: 770,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,626.98 : 1,363,036.01 = 557,934.78 : x
  2. Step 2: Convert to fraction form
    987,626.98/1,363,036.01 = 557,934.78/x
  3. Step 3: Cross multiply
    987,626.98x = 1,363,036.01 × 557,934.78
  4. Step 4: Simplify right side
    987,626.98x = 760,485,198,693.14
  5. Step 5: Solve for x
    x = 760,485,198,693.14/987,626.98
  6. Step 6: Final answer
    x = 770,012.58

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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.