Home / 851,480.48-1,175,017.92-469,507.16

Finding the Fourth Proportional to 851,480.48, 1,175,017.92 and 469,507.16

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Solution

The fourth proportional to 851,480.48, 1,175,017.92 and 469,507.16 is: 647,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,480.48 : 1,175,017.92 = 469,507.16 : x
  2. Step 2: Convert to fraction form
    851,480.48/1,175,017.92 = 469,507.16/x
  3. Step 3: Cross multiply
    851,480.48x = 1,175,017.92 × 469,507.16
  4. Step 4: Simplify right side
    851,480.48x = 551,679,326,568.31
  5. Step 5: Solve for x
    x = 551,679,326,568.31/851,480.48
  6. Step 6: Final answer
    x = 647,906.02

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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.