Home / 724,292.70-1,086,568.65-303,611.10

Finding the Fourth Proportional to 724,292.70, 1,086,568.65 and 303,611.10

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Solution

The fourth proportional to 724,292.70, 1,086,568.65 and 303,611.10 is: 455,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,292.70 : 1,086,568.65 = 303,611.10 : x
  2. Step 2: Convert to fraction form
    724,292.70/1,086,568.65 = 303,611.10/x
  3. Step 3: Cross multiply
    724,292.70x = 1,086,568.65 × 303,611.10
  4. Step 4: Simplify right side
    724,292.70x = 329,894,303,052.02
  5. Step 5: Solve for x
    x = 329,894,303,052.02/724,292.70
  6. Step 6: Final answer
    x = 455,470.98

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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.