Home / 540,755.50-811,074.85-180,885.55

Finding the Fourth Proportional to 540,755.50, 811,074.85 and 180,885.55

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Solution

The fourth proportional to 540,755.50, 811,074.85 and 180,885.55 is: 271,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,755.50 : 811,074.85 = 180,885.55 : x
  2. Step 2: Convert to fraction form
    540,755.50/811,074.85 = 180,885.55/x
  3. Step 3: Cross multiply
    540,755.50x = 811,074.85 × 180,885.55
  4. Step 4: Simplify right side
    540,755.50x = 146,711,720,333.42
  5. Step 5: Solve for x
    x = 146,711,720,333.42/540,755.50
  6. Step 6: Final answer
    x = 271,308.79

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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.