Home / 853,127.40-1,280,132.70-348,058.60

Finding the Fourth Proportional to 853,127.40, 1,280,132.70 and 348,058.60

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Solution

The fourth proportional to 853,127.40, 1,280,132.70 and 348,058.60 is: 522,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,127.40 : 1,280,132.70 = 348,058.60 : x
  2. Step 2: Convert to fraction form
    853,127.40/1,280,132.70 = 348,058.60/x
  3. Step 3: Cross multiply
    853,127.40x = 1,280,132.70 × 348,058.60
  4. Step 4: Simplify right side
    853,127.40x = 445,561,195,376.22
  5. Step 5: Solve for x
    x = 445,561,195,376.22/853,127.40
  6. Step 6: Final answer
    x = 522,268.06

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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.