Home / 689,913.32-1,035,042.17-240,640.61

Finding the Fourth Proportional to 689,913.32, 1,035,042.17 and 240,640.61

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Solution

The fourth proportional to 689,913.32, 1,035,042.17 and 240,640.61 is: 361,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,913.32 : 1,035,042.17 = 240,640.61 : x
  2. Step 2: Convert to fraction form
    689,913.32/1,035,042.17 = 240,640.61/x
  3. Step 3: Cross multiply
    689,913.32x = 1,035,042.17 × 240,640.61
  4. Step 4: Simplify right side
    689,913.32x = 249,073,172,786.11
  5. Step 5: Solve for x
    x = 249,073,172,786.11/689,913.32
  6. Step 6: Final answer
    x = 361,020.97

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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.