Home / 722,671.31-1,084,080.78-249,355.31

Finding the Fourth Proportional to 722,671.31, 1,084,080.78 and 249,355.31

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Solution

The fourth proportional to 722,671.31, 1,084,080.78 and 249,355.31 is: 374,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,671.31 : 1,084,080.78 = 249,355.31 : x
  2. Step 2: Convert to fraction form
    722,671.31/1,084,080.78 = 249,355.31/x
  3. Step 3: Cross multiply
    722,671.31x = 1,084,080.78 × 249,355.31
  4. Step 4: Simplify right side
    722,671.31x = 270,321,293,541.54
  5. Step 5: Solve for x
    x = 270,321,293,541.54/722,671.31
  6. Step 6: Final answer
    x = 374,058.43

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.