Home / 689,066.30-1,033,895.91-239,542.43

Finding the Fourth Proportional to 689,066.30, 1,033,895.91 and 239,542.43

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Solution

The fourth proportional to 689,066.30, 1,033,895.91 and 239,542.43 is: 359,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,066.30 : 1,033,895.91 = 239,542.43 : x
  2. Step 2: Convert to fraction form
    689,066.30/1,033,895.91 = 239,542.43/x
  3. Step 3: Cross multiply
    689,066.30x = 1,033,895.91 × 239,542.43
  4. Step 4: Simplify right side
    689,066.30x = 247,661,933,478.98
  5. Step 5: Solve for x
    x = 247,661,933,478.98/689,066.30
  6. Step 6: Final answer
    x = 359,416.70

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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.