Home / 689,367.65-1,034,079.28-240,133.95

Finding the Fourth Proportional to 689,367.65, 1,034,079.28 and 240,133.95

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Solution

The fourth proportional to 689,367.65, 1,034,079.28 and 240,133.95 is: 360,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,367.65 : 1,034,079.28 = 240,133.95 : x
  2. Step 2: Convert to fraction form
    689,367.65/1,034,079.28 = 240,133.95/x
  3. Step 3: Cross multiply
    689,367.65x = 1,034,079.28 × 240,133.95
  4. Step 4: Simplify right side
    689,367.65x = 248,317,541,519.22
  5. Step 5: Solve for x
    x = 248,317,541,519.22/689,367.65
  6. Step 6: Final answer
    x = 360,210.61

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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.