Home / 459,135.90-688,703.85-332,180.55

Finding the Fourth Proportional to 459,135.90, 688,703.85 and 332,180.55

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Solution

The fourth proportional to 459,135.90, 688,703.85 and 332,180.55 is: 498,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,135.90 : 688,703.85 = 332,180.55 : x
  2. Step 2: Convert to fraction form
    459,135.90/688,703.85 = 332,180.55/x
  3. Step 3: Cross multiply
    459,135.90x = 688,703.85 × 332,180.55
  4. Step 4: Simplify right side
    459,135.90x = 228,774,023,680.12
  5. Step 5: Solve for x
    x = 228,774,023,680.12/459,135.90
  6. Step 6: Final answer
    x = 498,270.83

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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.