Home / 866,162.15-1,299,228.91-258,951.87

Finding the Fourth Proportional to 866,162.15, 1,299,228.91 and 258,951.87

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Solution

The fourth proportional to 866,162.15, 1,299,228.91 and 258,951.87 is: 388,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,162.15 : 1,299,228.91 = 258,951.87 : x
  2. Step 2: Convert to fraction form
    866,162.15/1,299,228.91 = 258,951.87/x
  3. Step 3: Cross multiply
    866,162.15x = 1,299,228.91 × 258,951.87
  4. Step 4: Simplify right side
    866,162.15x = 336,437,755,802.56
  5. Step 5: Solve for x
    x = 336,437,755,802.56/866,162.15
  6. Step 6: Final answer
    x = 388,423.53

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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.