Home / 851,241.80-1,174,721.56-469,282.26

Finding the Fourth Proportional to 851,241.80, 1,174,721.56 and 469,282.26

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Solution

The fourth proportional to 851,241.80, 1,174,721.56 and 469,282.26 is: 647,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,241.80 : 1,174,721.56 = 469,282.26 : x
  2. Step 2: Convert to fraction form
    851,241.80/1,174,721.56 = 469,282.26/x
  3. Step 3: Cross multiply
    851,241.80x = 1,174,721.56 × 469,282.26
  4. Step 4: Simplify right side
    851,241.80x = 551,275,988,547.53
  5. Step 5: Solve for x
    x = 551,275,988,547.53/851,241.80
  6. Step 6: Final answer
    x = 647,613.86

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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.