Home / 982,778.22-1,474,003.26-272,878.02

Finding the Fourth Proportional to 982,778.22, 1,474,003.26 and 272,878.02

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Solution

The fourth proportional to 982,778.22, 1,474,003.26 and 272,878.02 is: 409,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,778.22 : 1,474,003.26 = 272,878.02 : x
  2. Step 2: Convert to fraction form
    982,778.22/1,474,003.26 = 272,878.02/x
  3. Step 3: Cross multiply
    982,778.22x = 1,474,003.26 × 272,878.02
  4. Step 4: Simplify right side
    982,778.22x = 402,223,091,062.35
  5. Step 5: Solve for x
    x = 402,223,091,062.35/982,778.22
  6. Step 6: Final answer
    x = 409,271.47

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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.