Home / 720,534.69-1,080,857.83-240,764.15

Finding the Fourth Proportional to 720,534.69, 1,080,857.83 and 240,764.15

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Solution

The fourth proportional to 720,534.69, 1,080,857.83 and 240,764.15 is: 361,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,534.69 : 1,080,857.83 = 240,764.15 : x
  2. Step 2: Convert to fraction form
    720,534.69/1,080,857.83 = 240,764.15/x
  3. Step 3: Cross multiply
    720,534.69x = 1,080,857.83 × 240,764.15
  4. Step 4: Simplify right side
    720,534.69x = 260,231,819,713.89
  5. Step 5: Solve for x
    x = 260,231,819,713.89/720,534.69
  6. Step 6: Final answer
    x = 361,164.87

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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.