Home / 987,758.46-1,363,175.19-557,881.74

Finding the Fourth Proportional to 987,758.46, 1,363,175.19 and 557,881.74

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Solution

The fourth proportional to 987,758.46, 1,363,175.19 and 557,881.74 is: 769,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,758.46 : 1,363,175.19 = 557,881.74 : x
  2. Step 2: Convert to fraction form
    987,758.46/1,363,175.19 = 557,881.74/x
  3. Step 3: Cross multiply
    987,758.46x = 1,363,175.19 × 557,881.74
  4. Step 4: Simplify right side
    987,758.46x = 760,490,546,922.03
  5. Step 5: Solve for x
    x = 760,490,546,922.03/987,758.46
  6. Step 6: Final answer
    x = 769,915.50

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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.