Home / 731,540.77-1,097,083.40-258,115.21

Finding the Fourth Proportional to 731,540.77, 1,097,083.40 and 258,115.21

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Solution

The fourth proportional to 731,540.77, 1,097,083.40 and 258,115.21 is: 387,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,540.77 : 1,097,083.40 = 258,115.21 : x
  2. Step 2: Convert to fraction form
    731,540.77/1,097,083.40 = 258,115.21/x
  3. Step 3: Cross multiply
    731,540.77x = 1,097,083.40 × 258,115.21
  4. Step 4: Simplify right side
    731,540.77x = 283,173,906,693.10
  5. Step 5: Solve for x
    x = 283,173,906,693.10/731,540.77
  6. Step 6: Final answer
    x = 387,092.45

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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.