Home / 776,713.80-1,165,508.10-303,337.65

Finding the Fourth Proportional to 776,713.80, 1,165,508.10 and 303,337.65

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Solution

The fourth proportional to 776,713.80, 1,165,508.10 and 303,337.65 is: 455,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,713.80 : 1,165,508.10 = 303,337.65 : x
  2. Step 2: Convert to fraction form
    776,713.80/1,165,508.10 = 303,337.65/x
  3. Step 3: Cross multiply
    776,713.80x = 1,165,508.10 × 303,337.65
  4. Step 4: Simplify right side
    776,713.80x = 353,542,488,109.97
  5. Step 5: Solve for x
    x = 353,542,488,109.97/776,713.80
  6. Step 6: Final answer
    x = 455,177.30

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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.