Home / 724,211.70-1,086,447.15-303,530.10

Finding the Fourth Proportional to 724,211.70, 1,086,447.15 and 303,530.10

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Solution

The fourth proportional to 724,211.70, 1,086,447.15 and 303,530.10 is: 455,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,211.70 : 1,086,447.15 = 303,530.10 : x
  2. Step 2: Convert to fraction form
    724,211.70/1,086,447.15 = 303,530.10/x
  3. Step 3: Cross multiply
    724,211.70x = 1,086,447.15 × 303,530.10
  4. Step 4: Simplify right side
    724,211.70x = 329,769,412,084.22
  5. Step 5: Solve for x
    x = 329,769,412,084.22/724,211.70
  6. Step 6: Final answer
    x = 455,349.47

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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.