Home / 723,179.18-1,084,778.04-498,479.30

Finding the Fourth Proportional to 723,179.18, 1,084,778.04 and 498,479.30

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Solution

The fourth proportional to 723,179.18, 1,084,778.04 and 498,479.30 is: 747,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,179.18 : 1,084,778.04 = 498,479.30 : x
  2. Step 2: Convert to fraction form
    723,179.18/1,084,778.04 = 498,479.30/x
  3. Step 3: Cross multiply
    723,179.18x = 1,084,778.04 × 498,479.30
  4. Step 4: Simplify right side
    723,179.18x = 540,739,398,034.57
  5. Step 5: Solve for x
    x = 540,739,398,034.57/723,179.18
  6. Step 6: Final answer
    x = 747,725.34

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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.