Home / 658,260.55-987,425.04-209,016.63

Finding the Fourth Proportional to 658,260.55, 987,425.04 and 209,016.63

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Solution

The fourth proportional to 658,260.55, 987,425.04 and 209,016.63 is: 313,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,260.55 : 987,425.04 = 209,016.63 : x
  2. Step 2: Convert to fraction form
    658,260.55/987,425.04 = 209,016.63/x
  3. Step 3: Cross multiply
    658,260.55x = 987,425.04 × 209,016.63
  4. Step 4: Simplify right side
    658,260.55x = 206,388,254,238.42
  5. Step 5: Solve for x
    x = 206,388,254,238.42/658,260.55
  6. Step 6: Final answer
    x = 313,535.81

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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.