Home / 512,037.90-767,819.14-298,867.36

Finding the Fourth Proportional to 512,037.90, 767,819.14 and 298,867.36

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Solution

The fourth proportional to 512,037.90, 767,819.14 and 298,867.36 is: 448,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,037.90 : 767,819.14 = 298,867.36 : x
  2. Step 2: Convert to fraction form
    512,037.90/767,819.14 = 298,867.36/x
  3. Step 3: Cross multiply
    512,037.90x = 767,819.14 × 298,867.36
  4. Step 4: Simplify right side
    512,037.90x = 229,476,079,329.27
  5. Step 5: Solve for x
    x = 229,476,079,329.27/512,037.90
  6. Step 6: Final answer
    x = 448,162.29

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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.