Home / 735,609.60-1,103,414.40-380,732.40

Finding the Fourth Proportional to 735,609.60, 1,103,414.40 and 380,732.40

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Solution

The fourth proportional to 735,609.60, 1,103,414.40 and 380,732.40 is: 571,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,609.60 : 1,103,414.40 = 380,732.40 : x
  2. Step 2: Convert to fraction form
    735,609.60/1,103,414.40 = 380,732.40/x
  3. Step 3: Cross multiply
    735,609.60x = 1,103,414.40 × 380,732.40
  4. Step 4: Simplify right side
    735,609.60x = 420,105,612,706.56
  5. Step 5: Solve for x
    x = 420,105,612,706.56/735,609.60
  6. Step 6: Final answer
    x = 571,098.60

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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.