Home / 772,932.80-1,159,399.20-720,444.80

Finding the Fourth Proportional to 772,932.80, 1,159,399.20 and 720,444.80

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Solution

The fourth proportional to 772,932.80, 1,159,399.20 and 720,444.80 is: 1,080,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,932.80 : 1,159,399.20 = 720,444.80 : x
  2. Step 2: Convert to fraction form
    772,932.80/1,159,399.20 = 720,444.80/x
  3. Step 3: Cross multiply
    772,932.80x = 1,159,399.20 × 720,444.80
  4. Step 4: Simplify right side
    772,932.80x = 835,283,124,764.16
  5. Step 5: Solve for x
    x = 835,283,124,764.16/772,932.80
  6. Step 6: Final answer
    x = 1,080,667.20

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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.