Home / 702,127.60-1,053,235.15-281,348.80

Finding the Fourth Proportional to 702,127.60, 1,053,235.15 and 281,348.80

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Solution

The fourth proportional to 702,127.60, 1,053,235.15 and 281,348.80 is: 422,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,127.60 : 1,053,235.15 = 281,348.80 : x
  2. Step 2: Convert to fraction form
    702,127.60/1,053,235.15 = 281,348.80/x
  3. Step 3: Cross multiply
    702,127.60x = 1,053,235.15 × 281,348.80
  4. Step 4: Simplify right side
    702,127.60x = 296,326,446,796.66
  5. Step 5: Solve for x
    x = 296,326,446,796.66/702,127.60
  6. Step 6: Final answer
    x = 422,040.73

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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.