Home / 772,689.72-1,159,198.74-240,197.88

Finding the Fourth Proportional to 772,689.72, 1,159,198.74 and 240,197.88

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Solution

The fourth proportional to 772,689.72, 1,159,198.74 and 240,197.88 is: 360,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,689.72 : 1,159,198.74 = 240,197.88 : x
  2. Step 2: Convert to fraction form
    772,689.72/1,159,198.74 = 240,197.88/x
  3. Step 3: Cross multiply
    772,689.72x = 1,159,198.74 × 240,197.88
  4. Step 4: Simplify right side
    772,689.72x = 278,437,079,846.67
  5. Step 5: Solve for x
    x = 278,437,079,846.67/772,689.72
  6. Step 6: Final answer
    x = 360,347.85

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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.