Home / 851,279.86-1,174,775.30-469,320.31

Finding the Fourth Proportional to 851,279.86, 1,174,775.30 and 469,320.31

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Solution

The fourth proportional to 851,279.86, 1,174,775.30 and 469,320.31 is: 647,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,279.86 : 1,174,775.30 = 469,320.31 : x
  2. Step 2: Convert to fraction form
    851,279.86/1,174,775.30 = 469,320.31/x
  3. Step 3: Cross multiply
    851,279.86x = 1,174,775.30 × 469,320.31
  4. Step 4: Simplify right side
    851,279.86x = 551,345,905,629.74
  5. Step 5: Solve for x
    x = 551,345,905,629.74/851,279.86
  6. Step 6: Final answer
    x = 647,667.04

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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.