Home / 659,839.65-989,562.03-344,124.33

Finding the Fourth Proportional to 659,839.65, 989,562.03 and 344,124.33

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Solution

The fourth proportional to 659,839.65, 989,562.03 and 344,124.33 is: 516,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,839.65 : 989,562.03 = 344,124.33 : x
  2. Step 2: Convert to fraction form
    659,839.65/989,562.03 = 344,124.33/x
  3. Step 3: Cross multiply
    659,839.65x = 989,562.03 × 344,124.33
  4. Step 4: Simplify right side
    659,839.65x = 340,532,370,567.19
  5. Step 5: Solve for x
    x = 340,532,370,567.19/659,839.65
  6. Step 6: Final answer
    x = 516,083.52

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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.