Home / 878,624.97-1,316,432.93-479,545.76

Finding the Fourth Proportional to 878,624.97, 1,316,432.93 and 479,545.76

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Solution

The fourth proportional to 878,624.97, 1,316,432.93 and 479,545.76 is: 718,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,624.97 : 1,316,432.93 = 479,545.76 : x
  2. Step 2: Convert to fraction form
    878,624.97/1,316,432.93 = 479,545.76/x
  3. Step 3: Cross multiply
    878,624.97x = 1,316,432.93 × 479,545.76
  4. Step 4: Simplify right side
    878,624.97x = 631,289,820,925.98
  5. Step 5: Solve for x
    x = 631,289,820,925.98/878,624.97
  6. Step 6: Final answer
    x = 718,497.47

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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.