Home / 967,426.80-1,451,140.20-489,129.90

Finding the Fourth Proportional to 967,426.80, 1,451,140.20 and 489,129.90

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Solution

The fourth proportional to 967,426.80, 1,451,140.20 and 489,129.90 is: 733,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,426.80 : 1,451,140.20 = 489,129.90 : x
  2. Step 2: Convert to fraction form
    967,426.80/1,451,140.20 = 489,129.90/x
  3. Step 3: Cross multiply
    967,426.80x = 1,451,140.20 × 489,129.90
  4. Step 4: Simplify right side
    967,426.80x = 709,796,060,911.98
  5. Step 5: Solve for x
    x = 709,796,060,911.98/967,426.80
  6. Step 6: Final answer
    x = 733,694.85

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Similar ratio
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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.