Home / 391,875.02-587,895.65-125,822.42

Finding the Fourth Proportional to 391,875.02, 587,895.65 and 125,822.42

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Solution

The fourth proportional to 391,875.02, 587,895.65 and 125,822.42 is: 188,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,875.02 : 587,895.65 = 125,822.42 : x
  2. Step 2: Convert to fraction form
    391,875.02/587,895.65 = 125,822.42/x
  3. Step 3: Cross multiply
    391,875.02x = 587,895.65 × 125,822.42
  4. Step 4: Simplify right side
    391,875.02x = 73,970,453,390.47
  5. Step 5: Solve for x
    x = 73,970,453,390.47/391,875.02
  6. Step 6: Final answer
    x = 188,760.32

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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.