Home / 784,407.60-1,176,456.42-215,641.92

Finding the Fourth Proportional to 784,407.60, 1,176,456.42 and 215,641.92

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Solution

The fourth proportional to 784,407.60, 1,176,456.42 and 215,641.92 is: 323,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,407.60 : 1,176,456.42 = 215,641.92 : x
  2. Step 2: Convert to fraction form
    784,407.60/1,176,456.42 = 215,641.92/x
  3. Step 3: Cross multiply
    784,407.60x = 1,176,456.42 × 215,641.92
  4. Step 4: Simplify right side
    784,407.60x = 253,693,321,205.13
  5. Step 5: Solve for x
    x = 253,693,321,205.13/784,407.60
  6. Step 6: Final answer
    x = 323,420.27

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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.