Home / 478,823.40-718,234.98-123,873.24

Finding the Fourth Proportional to 478,823.40, 718,234.98 and 123,873.24

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Solution

The fourth proportional to 478,823.40, 718,234.98 and 123,873.24 is: 185,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,823.40 : 718,234.98 = 123,873.24 : x
  2. Step 2: Convert to fraction form
    478,823.40/718,234.98 = 123,873.24/x
  3. Step 3: Cross multiply
    478,823.40x = 718,234.98 × 123,873.24
  4. Step 4: Simplify right side
    478,823.40x = 88,970,094,053.94
  5. Step 5: Solve for x
    x = 88,970,094,053.94/478,823.40
  6. Step 6: Final answer
    x = 185,809.83

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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.