Home / 689,553.60-1,034,330.24-216,280.32

Finding the Fourth Proportional to 689,553.60, 1,034,330.24 and 216,280.32

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Solution

The fourth proportional to 689,553.60, 1,034,330.24 and 216,280.32 is: 324,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,553.60 : 1,034,330.24 = 216,280.32 : x
  2. Step 2: Convert to fraction form
    689,553.60/1,034,330.24 = 216,280.32/x
  3. Step 3: Cross multiply
    689,553.60x = 1,034,330.24 × 216,280.32
  4. Step 4: Simplify right side
    689,553.60x = 223,705,275,292.88
  5. Step 5: Solve for x
    x = 223,705,275,292.88/689,553.60
  6. Step 6: Final answer
    x = 324,420.43

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Similar ratio
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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.