Home / 900,003.48-1,242,043.38-492,081

Finding the Fourth Proportional to 900,003.48, 1,242,043.38 and 492,081

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Solution

The fourth proportional to 900,003.48, 1,242,043.38 and 492,081 is: 679,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,003.48 : 1,242,043.38 = 492,081 : x
  2. Step 2: Convert to fraction form
    900,003.48/1,242,043.38 = 492,081/x
  3. Step 3: Cross multiply
    900,003.48x = 1,242,043.38 × 492,081
  4. Step 4: Simplify right side
    900,003.48x = 611,185,948,473.78
  5. Step 5: Solve for x
    x = 611,185,948,473.78/900,003.48
  6. Step 6: Final answer
    x = 679,092.87

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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.