Home / 743,098.62-1,025,901.18-489,187.92

Finding the Fourth Proportional to 743,098.62, 1,025,901.18 and 489,187.92

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Solution

The fourth proportional to 743,098.62, 1,025,901.18 and 489,187.92 is: 675,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,098.62 : 1,025,901.18 = 489,187.92 : x
  2. Step 2: Convert to fraction form
    743,098.62/1,025,901.18 = 489,187.92/x
  3. Step 3: Cross multiply
    743,098.62x = 1,025,901.18 × 489,187.92
  4. Step 4: Simplify right side
    743,098.62x = 501,858,464,369.75
  5. Step 5: Solve for x
    x = 501,858,464,369.75/743,098.62
  6. Step 6: Final answer
    x = 675,359.17

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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.