Home / 515,680.13-773,831.24-220,192.13

Finding the Fourth Proportional to 515,680.13, 773,831.24 and 220,192.13

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Solution

The fourth proportional to 515,680.13, 773,831.24 and 220,192.13 is: 330,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,680.13 : 773,831.24 = 220,192.13 : x
  2. Step 2: Convert to fraction form
    515,680.13/773,831.24 = 220,192.13/x
  3. Step 3: Cross multiply
    515,680.13x = 773,831.24 × 220,192.13
  4. Step 4: Simplify right side
    515,680.13x = 170,391,544,026.02
  5. Step 5: Solve for x
    x = 170,391,544,026.02/515,680.13
  6. Step 6: Final answer
    x = 330,421.00

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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.