Home / 814,397.92-1,221,006.40-547,496.80

Finding the Fourth Proportional to 814,397.92, 1,221,006.40 and 547,496.80

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Solution

The fourth proportional to 814,397.92, 1,221,006.40 and 547,496.80 is: 820,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,397.92 : 1,221,006.40 = 547,496.80 : x
  2. Step 2: Convert to fraction form
    814,397.92/1,221,006.40 = 547,496.80/x
  3. Step 3: Cross multiply
    814,397.92x = 1,221,006.40 × 547,496.80
  4. Step 4: Simplify right side
    814,397.92x = 668,497,096,779.52
  5. Step 5: Solve for x
    x = 668,497,096,779.52/814,397.92
  6. Step 6: Final answer
    x = 820,848.24

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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.