Home / 438,949.01-605,798.80-247,974.71

Finding the Fourth Proportional to 438,949.01, 605,798.80 and 247,974.71

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Solution

The fourth proportional to 438,949.01, 605,798.80 and 247,974.71 is: 342,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,949.01 : 605,798.80 = 247,974.71 : x
  2. Step 2: Convert to fraction form
    438,949.01/605,798.80 = 247,974.71/x
  3. Step 3: Cross multiply
    438,949.01x = 605,798.80 × 247,974.71
  4. Step 4: Simplify right side
    438,949.01x = 150,222,778,099.42
  5. Step 5: Solve for x
    x = 150,222,778,099.42/438,949.01
  6. Step 6: Final answer
    x = 342,232.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.