Home / 816,863.76-1,225,296.18-255,942

Finding the Fourth Proportional to 816,863.76, 1,225,296.18 and 255,942

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Solution

The fourth proportional to 816,863.76, 1,225,296.18 and 255,942 is: 383,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,863.76 : 1,225,296.18 = 255,942 : x
  2. Step 2: Convert to fraction form
    816,863.76/1,225,296.18 = 255,942/x
  3. Step 3: Cross multiply
    816,863.76x = 1,225,296.18 × 255,942
  4. Step 4: Simplify right side
    816,863.76x = 313,604,754,901.56
  5. Step 5: Solve for x
    x = 313,604,754,901.56/816,863.76
  6. Step 6: Final answer
    x = 383,913.17

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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.