Home / 690,089.10-1,035,227.98-240,742.61

Finding the Fourth Proportional to 690,089.10, 1,035,227.98 and 240,742.61

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Solution

The fourth proportional to 690,089.10, 1,035,227.98 and 240,742.61 is: 361,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,089.10 : 1,035,227.98 = 240,742.61 : x
  2. Step 2: Convert to fraction form
    690,089.10/1,035,227.98 = 240,742.61/x
  3. Step 3: Cross multiply
    690,089.10x = 1,035,227.98 × 240,742.61
  4. Step 4: Simplify right side
    690,089.10x = 249,223,489,326.10
  5. Step 5: Solve for x
    x = 249,223,489,326.10/690,089.10
  6. Step 6: Final answer
    x = 361,146.83

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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.