Home / 723,310.26-1,085,145.78-510,493.86

Finding the Fourth Proportional to 723,310.26, 1,085,145.78 and 510,493.86

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Solution

The fourth proportional to 723,310.26, 1,085,145.78 and 510,493.86 is: 765,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,310.26 : 1,085,145.78 = 510,493.86 : x
  2. Step 2: Convert to fraction form
    723,310.26/1,085,145.78 = 510,493.86/x
  3. Step 3: Cross multiply
    723,310.26x = 1,085,145.78 × 510,493.86
  4. Step 4: Simplify right side
    723,310.26x = 553,960,257,894.91
  5. Step 5: Solve for x
    x = 553,960,257,894.91/723,310.26
  6. Step 6: Final answer
    x = 765,868.10

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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.