Home / 545,158.08-752,318.19-303,435.47

Finding the Fourth Proportional to 545,158.08, 752,318.19 and 303,435.47

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Solution

The fourth proportional to 545,158.08, 752,318.19 and 303,435.47 is: 418,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,158.08 : 752,318.19 = 303,435.47 : x
  2. Step 2: Convert to fraction form
    545,158.08/752,318.19 = 303,435.47/x
  3. Step 3: Cross multiply
    545,158.08x = 752,318.19 × 303,435.47
  4. Step 4: Simplify right side
    545,158.08x = 228,280,023,572.20
  5. Step 5: Solve for x
    x = 228,280,023,572.20/545,158.08
  6. Step 6: Final answer
    x = 418,740.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.