Home / 545,025.20-815,982.60-482,817.20

Finding the Fourth Proportional to 545,025.20, 815,982.60 and 482,817.20

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Solution

The fourth proportional to 545,025.20, 815,982.60 and 482,817.20 is: 722,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,025.20 : 815,982.60 = 482,817.20 : x
  2. Step 2: Convert to fraction form
    545,025.20/815,982.60 = 482,817.20/x
  3. Step 3: Cross multiply
    545,025.20x = 815,982.60 × 482,817.20
  4. Step 4: Simplify right side
    545,025.20x = 393,970,434,180.72
  5. Step 5: Solve for x
    x = 393,970,434,180.72/545,025.20
  6. Step 6: Final answer
    x = 722,848.11

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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.