Home / 778,764.96-1,074,589.20-476,894.88

Finding the Fourth Proportional to 778,764.96, 1,074,589.20 and 476,894.88

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Solution

The fourth proportional to 778,764.96, 1,074,589.20 and 476,894.88 is: 658,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,764.96 : 1,074,589.20 = 476,894.88 : x
  2. Step 2: Convert to fraction form
    778,764.96/1,074,589.20 = 476,894.88/x
  3. Step 3: Cross multiply
    778,764.96x = 1,074,589.20 × 476,894.88
  4. Step 4: Simplify right side
    778,764.96x = 512,466,087,583.30
  5. Step 5: Solve for x
    x = 512,466,087,583.30/778,764.96
  6. Step 6: Final answer
    x = 658,049.75

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1.5x scale

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.