Home / 698,665.60-1,047,998.40-255,606.40

Finding the Fourth Proportional to 698,665.60, 1,047,998.40 and 255,606.40

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Solution

The fourth proportional to 698,665.60, 1,047,998.40 and 255,606.40 is: 383,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,665.60 : 1,047,998.40 = 255,606.40 : x
  2. Step 2: Convert to fraction form
    698,665.60/1,047,998.40 = 255,606.40/x
  3. Step 3: Cross multiply
    698,665.60x = 1,047,998.40 × 255,606.40
  4. Step 4: Simplify right side
    698,665.60x = 267,875,098,229.76
  5. Step 5: Solve for x
    x = 267,875,098,229.76/698,665.60
  6. Step 6: Final answer
    x = 383,409.60

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Similar ratio
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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.