Home / 460,600.42-690,982.65-156,977.74

Finding the Fourth Proportional to 460,600.42, 690,982.65 and 156,977.74

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Solution

The fourth proportional to 460,600.42, 690,982.65 and 156,977.74 is: 235,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,600.42 : 690,982.65 = 156,977.74 : x
  2. Step 2: Convert to fraction form
    460,600.42/690,982.65 = 156,977.74/x
  3. Step 3: Cross multiply
    460,600.42x = 690,982.65 × 156,977.74
  4. Step 4: Simplify right side
    460,600.42x = 108,468,894,776.21
  5. Step 5: Solve for x
    x = 108,468,894,776.21/460,600.42
  6. Step 6: Final answer
    x = 235,494.56

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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.