Home / 786,865.79-1,181,479.67-450,286.49

Finding the Fourth Proportional to 786,865.79, 1,181,479.67 and 450,286.49

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Solution

The fourth proportional to 786,865.79, 1,181,479.67 and 450,286.49 is: 676,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,865.79 : 1,181,479.67 = 450,286.49 : x
  2. Step 2: Convert to fraction form
    786,865.79/1,181,479.67 = 450,286.49/x
  3. Step 3: Cross multiply
    786,865.79x = 1,181,479.67 × 450,286.49
  4. Step 4: Simplify right side
    786,865.79x = 532,004,336,001.50
  5. Step 5: Solve for x
    x = 532,004,336,001.50/786,865.79
  6. Step 6: Final answer
    x = 676,105.56

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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.