Home / 888,143.55-1,330,684.42-413,856.15

Finding the Fourth Proportional to 888,143.55, 1,330,684.42 and 413,856.15

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Solution

The fourth proportional to 888,143.55, 1,330,684.42 and 413,856.15 is: 620,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,143.55 : 1,330,684.42 = 413,856.15 : x
  2. Step 2: Convert to fraction form
    888,143.55/1,330,684.42 = 413,856.15/x
  3. Step 3: Cross multiply
    888,143.55x = 1,330,684.42 × 413,856.15
  4. Step 4: Simplify right side
    888,143.55x = 550,711,930,926.18
  5. Step 5: Solve for x
    x = 550,711,930,926.18/888,143.55
  6. Step 6: Final answer
    x = 620,070.86

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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.