Home / 840,503.29-1,159,871.57-458,529.97

Finding the Fourth Proportional to 840,503.29, 1,159,871.57 and 458,529.97

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Solution

The fourth proportional to 840,503.29, 1,159,871.57 and 458,529.97 is: 632,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,503.29 : 1,159,871.57 = 458,529.97 : x
  2. Step 2: Convert to fraction form
    840,503.29/1,159,871.57 = 458,529.97/x
  3. Step 3: Cross multiply
    840,503.29x = 1,159,871.57 × 458,529.97
  4. Step 4: Simplify right side
    840,503.29x = 531,835,876,195.95
  5. Step 5: Solve for x
    x = 531,835,876,195.95/840,503.29
  6. Step 6: Final answer
    x = 632,758.83

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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.