Home / 552,732.15-827,769.61-315,355.17

Finding the Fourth Proportional to 552,732.15, 827,769.61 and 315,355.17

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Solution

The fourth proportional to 552,732.15, 827,769.61 and 315,355.17 is: 472,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,732.15 : 827,769.61 = 315,355.17 : x
  2. Step 2: Convert to fraction form
    552,732.15/827,769.61 = 315,355.17/x
  3. Step 3: Cross multiply
    552,732.15x = 827,769.61 × 315,355.17
  4. Step 4: Simplify right side
    552,732.15x = 261,041,429,580.71
  5. Step 5: Solve for x
    x = 261,041,429,580.71/552,732.15
  6. Step 6: Final answer
    x = 472,274.73

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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.