Home / 778,523.85-1,074,160.29-456,060.95

Finding the Fourth Proportional to 778,523.85, 1,074,160.29 and 456,060.95

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Solution

The fourth proportional to 778,523.85, 1,074,160.29 and 456,060.95 is: 629,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,523.85 : 1,074,160.29 = 456,060.95 : x
  2. Step 2: Convert to fraction form
    778,523.85/1,074,160.29 = 456,060.95/x
  3. Step 3: Cross multiply
    778,523.85x = 1,074,160.29 × 456,060.95
  4. Step 4: Simplify right side
    778,523.85x = 489,882,562,309.68
  5. Step 5: Solve for x
    x = 489,882,562,309.68/778,523.85
  6. Step 6: Final answer
    x = 629,245.41

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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.