Home / 659,845.15-989,570.28-344,129.83

Finding the Fourth Proportional to 659,845.15, 989,570.28 and 344,129.83

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Solution

The fourth proportional to 659,845.15, 989,570.28 and 344,129.83 is: 516,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,845.15 : 989,570.28 = 344,129.83 : x
  2. Step 2: Convert to fraction form
    659,845.15/989,570.28 = 344,129.83/x
  3. Step 3: Cross multiply
    659,845.15x = 989,570.28 × 344,129.83
  4. Step 4: Simplify right side
    659,845.15x = 340,540,652,229.45
  5. Step 5: Solve for x
    x = 340,540,652,229.45/659,845.15
  6. Step 6: Final answer
    x = 516,091.77

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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.