Home / 876,854.88-1,315,179.36-245,819.52

Finding the Fourth Proportional to 876,854.88, 1,315,179.36 and 245,819.52

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Solution

The fourth proportional to 876,854.88, 1,315,179.36 and 245,819.52 is: 368,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,854.88 : 1,315,179.36 = 245,819.52 : x
  2. Step 2: Convert to fraction form
    876,854.88/1,315,179.36 = 245,819.52/x
  3. Step 3: Cross multiply
    876,854.88x = 1,315,179.36 × 245,819.52
  4. Step 4: Simplify right side
    876,854.88x = 323,296,758,989.11
  5. Step 5: Solve for x
    x = 323,296,758,989.11/876,854.88
  6. Step 6: Final answer
    x = 368,700.42

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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.