Home / 498,895.80-747,522.90-288,166.20

Finding the Fourth Proportional to 498,895.80, 747,522.90 and 288,166.20

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Solution

The fourth proportional to 498,895.80, 747,522.90 and 288,166.20 is: 431,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,895.80 : 747,522.90 = 288,166.20 : x
  2. Step 2: Convert to fraction form
    498,895.80/747,522.90 = 288,166.20/x
  3. Step 3: Cross multiply
    498,895.80x = 747,522.90 × 288,166.20
  4. Step 4: Simplify right side
    498,895.80x = 215,410,833,505.98
  5. Step 5: Solve for x
    x = 215,410,833,505.98/498,895.80
  6. Step 6: Final answer
    x = 431,775.20

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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.