Home / 851,920.72-1,175,650.68-469,948.48

Finding the Fourth Proportional to 851,920.72, 1,175,650.68 and 469,948.48

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Solution

The fourth proportional to 851,920.72, 1,175,650.68 and 469,948.48 is: 648,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,920.72 : 1,175,650.68 = 469,948.48 : x
  2. Step 2: Convert to fraction form
    851,920.72/1,175,650.68 = 469,948.48/x
  3. Step 3: Cross multiply
    851,920.72x = 1,175,650.68 × 469,948.48
  4. Step 4: Simplify right side
    851,920.72x = 552,495,250,076.97
  5. Step 5: Solve for x
    x = 552,495,250,076.97/851,920.72
  6. Step 6: Final answer
    x = 648,528.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.