Home / 785,007.60-1,083,248.73-445,475.85

Finding the Fourth Proportional to 785,007.60, 1,083,248.73 and 445,475.85

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Solution

The fourth proportional to 785,007.60, 1,083,248.73 and 445,475.85 is: 614,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,007.60 : 1,083,248.73 = 445,475.85 : x
  2. Step 2: Convert to fraction form
    785,007.60/1,083,248.73 = 445,475.85/x
  3. Step 3: Cross multiply
    785,007.60x = 1,083,248.73 × 445,475.85
  4. Step 4: Simplify right side
    785,007.60x = 482,561,148,758.17
  5. Step 5: Solve for x
    x = 482,561,148,758.17/785,007.60
  6. Step 6: Final answer
    x = 614,721.63

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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.