Home / 718,261.72-1,077,158.14-238,360.61

Finding the Fourth Proportional to 718,261.72, 1,077,158.14 and 238,360.61

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Solution

The fourth proportional to 718,261.72, 1,077,158.14 and 238,360.61 is: 357,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,261.72 : 1,077,158.14 = 238,360.61 : x
  2. Step 2: Convert to fraction form
    718,261.72/1,077,158.14 = 238,360.61/x
  3. Step 3: Cross multiply
    718,261.72x = 1,077,158.14 × 238,360.61
  4. Step 4: Simplify right side
    718,261.72x = 256,752,073,413.86
  5. Step 5: Solve for x
    x = 256,752,073,413.86/718,261.72
  6. Step 6: Final answer
    x = 357,463.12

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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.