Home / 627,928.20-941,892.30-572,815.80

Finding the Fourth Proportional to 627,928.20, 941,892.30 and 572,815.80

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Solution

The fourth proportional to 627,928.20, 941,892.30 and 572,815.80 is: 859,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,928.20 : 941,892.30 = 572,815.80 : x
  2. Step 2: Convert to fraction form
    627,928.20/941,892.30 = 572,815.80/x
  3. Step 3: Cross multiply
    627,928.20x = 941,892.30 × 572,815.80
  4. Step 4: Simplify right side
    627,928.20x = 539,530,791,338.34
  5. Step 5: Solve for x
    x = 539,530,791,338.34/627,928.20
  6. Step 6: Final answer
    x = 859,223.70

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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.