Home / 398,799.78-598,593.06-174,315.30

Finding the Fourth Proportional to 398,799.78, 598,593.06 and 174,315.30

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Solution

The fourth proportional to 398,799.78, 598,593.06 and 174,315.30 is: 261,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,799.78 : 598,593.06 = 174,315.30 : x
  2. Step 2: Convert to fraction form
    398,799.78/598,593.06 = 174,315.30/x
  3. Step 3: Cross multiply
    398,799.78x = 598,593.06 × 174,315.30
  4. Step 4: Simplify right side
    398,799.78x = 104,343,928,831.82
  5. Step 5: Solve for x
    x = 104,343,928,831.82/398,799.78
  6. Step 6: Final answer
    x = 261,644.90

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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.