Home / 552,731.89-827,769.20-315,354.91

Finding the Fourth Proportional to 552,731.89, 827,769.20 and 315,354.91

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Solution

The fourth proportional to 552,731.89, 827,769.20 and 315,354.91 is: 472,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,731.89 : 827,769.20 = 315,354.91 : x
  2. Step 2: Convert to fraction form
    552,731.89/827,769.20 = 315,354.91/x
  3. Step 3: Cross multiply
    552,731.89x = 827,769.20 × 315,354.91
  4. Step 4: Simplify right side
    552,731.89x = 261,041,081,566.77
  5. Step 5: Solve for x
    x = 261,041,081,566.77/552,731.89
  6. Step 6: Final answer
    x = 472,274.33

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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.