Home / 851,272.44-1,174,765.02-469,312.90

Finding the Fourth Proportional to 851,272.44, 1,174,765.02 and 469,312.90

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Solution

The fourth proportional to 851,272.44, 1,174,765.02 and 469,312.90 is: 647,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,272.44 : 1,174,765.02 = 469,312.90 : x
  2. Step 2: Convert to fraction form
    851,272.44/1,174,765.02 = 469,312.90/x
  3. Step 3: Cross multiply
    851,272.44x = 1,174,765.02 × 469,312.90
  4. Step 4: Simplify right side
    851,272.44x = 551,332,378,354.76
  5. Step 5: Solve for x
    x = 551,332,378,354.76/851,272.44
  6. Step 6: Final answer
    x = 647,656.79

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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.