Home / 659,841.15-989,564.28-344,125.83

Finding the Fourth Proportional to 659,841.15, 989,564.28 and 344,125.83

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Solution

The fourth proportional to 659,841.15, 989,564.28 and 344,125.83 is: 516,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,841.15 : 989,564.28 = 344,125.83 : x
  2. Step 2: Convert to fraction form
    659,841.15/989,564.28 = 344,125.83/x
  3. Step 3: Cross multiply
    659,841.15x = 989,564.28 × 344,125.83
  4. Step 4: Simplify right side
    659,841.15x = 340,534,629,193.35
  5. Step 5: Solve for x
    x = 340,534,629,193.35/659,841.15
  6. Step 6: Final answer
    x = 516,085.77

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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.