Home / 827,217.48-1,239,753.45-371,472.20

Finding the Fourth Proportional to 827,217.48, 1,239,753.45 and 371,472.20

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Solution

The fourth proportional to 827,217.48, 1,239,753.45 and 371,472.20 is: 556,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,217.48 : 1,239,753.45 = 371,472.20 : x
  2. Step 2: Convert to fraction form
    827,217.48/1,239,753.45 = 371,472.20/x
  3. Step 3: Cross multiply
    827,217.48x = 1,239,753.45 × 371,472.20
  4. Step 4: Simplify right side
    827,217.48x = 460,533,933,472.96
  5. Step 5: Solve for x
    x = 460,533,933,472.96/827,217.48
  6. Step 6: Final answer
    x = 556,726.55

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1.5x scale

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.