Home / 792,841.72-1,188,927.24-319,399.96

Finding the Fourth Proportional to 792,841.72, 1,188,927.24 and 319,399.96

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Solution

The fourth proportional to 792,841.72, 1,188,927.24 and 319,399.96 is: 478,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,841.72 : 1,188,927.24 = 319,399.96 : x
  2. Step 2: Convert to fraction form
    792,841.72/1,188,927.24 = 319,399.96/x
  3. Step 3: Cross multiply
    792,841.72x = 1,188,927.24 × 319,399.96
  4. Step 4: Simplify right side
    792,841.72x = 379,743,312,898.91
  5. Step 5: Solve for x
    x = 379,743,312,898.91/792,841.72
  6. Step 6: Final answer
    x = 478,964.85

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1.5x scale

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.