Home / 678,614.20-1,017,503.34-229,292.62

Finding the Fourth Proportional to 678,614.20, 1,017,503.34 and 229,292.62

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Solution

The fourth proportional to 678,614.20, 1,017,503.34 and 229,292.62 is: 343,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,614.20 : 1,017,503.34 = 229,292.62 : x
  2. Step 2: Convert to fraction form
    678,614.20/1,017,503.34 = 229,292.62/x
  3. Step 3: Cross multiply
    678,614.20x = 1,017,503.34 × 229,292.62
  4. Step 4: Simplify right side
    678,614.20x = 233,306,006,687.35
  5. Step 5: Solve for x
    x = 233,306,006,687.35/678,614.20
  6. Step 6: Final answer
    x = 343,797.71

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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.