Home / 717,637.70-1,076,082.78-338,456.62

Finding the Fourth Proportional to 717,637.70, 1,076,082.78 and 338,456.62

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Solution

The fourth proportional to 717,637.70, 1,076,082.78 and 338,456.62 is: 507,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,637.70 : 1,076,082.78 = 338,456.62 : x
  2. Step 2: Convert to fraction form
    717,637.70/1,076,082.78 = 338,456.62/x
  3. Step 3: Cross multiply
    717,637.70x = 1,076,082.78 × 338,456.62
  4. Step 4: Simplify right side
    717,637.70x = 364,207,340,559.00
  5. Step 5: Solve for x
    x = 364,207,340,559.00/717,637.70
  6. Step 6: Final answer
    x = 507,508.65

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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.