Home / 527,209.20-788,970.60-482,972.40

Finding the Fourth Proportional to 527,209.20, 788,970.60 and 482,972.40

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Solution

The fourth proportional to 527,209.20, 788,970.60 and 482,972.40 is: 722,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,209.20 : 788,970.60 = 482,972.40 : x
  2. Step 2: Convert to fraction form
    527,209.20/788,970.60 = 482,972.40/x
  3. Step 3: Cross multiply
    527,209.20x = 788,970.60 × 482,972.40
  4. Step 4: Simplify right side
    527,209.20x = 381,051,024,211.44
  5. Step 5: Solve for x
    x = 381,051,024,211.44/527,209.20
  6. Step 6: Final answer
    x = 722,770.06

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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.