Home / 779,909.28-1,169,905.44-247,471.96

Finding the Fourth Proportional to 779,909.28, 1,169,905.44 and 247,471.96

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Solution

The fourth proportional to 779,909.28, 1,169,905.44 and 247,471.96 is: 371,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,909.28 : 1,169,905.44 = 247,471.96 : x
  2. Step 2: Convert to fraction form
    779,909.28/1,169,905.44 = 247,471.96/x
  3. Step 3: Cross multiply
    779,909.28x = 1,169,905.44 × 247,471.96
  4. Step 4: Simplify right side
    779,909.28x = 289,518,792,251.46
  5. Step 5: Solve for x
    x = 289,518,792,251.46/779,909.28
  6. Step 6: Final answer
    x = 371,221.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.