Home / 587,221.20-880,831.80-213,195.60

Finding the Fourth Proportional to 587,221.20, 880,831.80 and 213,195.60

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Solution

The fourth proportional to 587,221.20, 880,831.80 and 213,195.60 is: 319,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,221.20 : 880,831.80 = 213,195.60 : x
  2. Step 2: Convert to fraction form
    587,221.20/880,831.80 = 213,195.60/x
  3. Step 3: Cross multiply
    587,221.20x = 880,831.80 × 213,195.60
  4. Step 4: Simplify right side
    587,221.20x = 187,789,464,100.08
  5. Step 5: Solve for x
    x = 187,789,464,100.08/587,221.20
  6. Step 6: Final answer
    x = 319,793.40

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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.