Home / 478,836.73-718,466.67-251,077.96

Finding the Fourth Proportional to 478,836.73, 718,466.67 and 251,077.96

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Solution

The fourth proportional to 478,836.73, 718,466.67 and 251,077.96 is: 376,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,836.73 : 718,466.67 = 251,077.96 : x
  2. Step 2: Convert to fraction form
    478,836.73/718,466.67 = 251,077.96/x
  3. Step 3: Cross multiply
    478,836.73x = 718,466.67 × 251,077.96
  4. Step 4: Simplify right side
    478,836.73x = 180,391,145,831.59
  5. Step 5: Solve for x
    x = 180,391,145,831.59/478,836.73
  6. Step 6: Final answer
    x = 376,727.88

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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.