Home / 982,665.12-1,473,997.80-272,693.40

Finding the Fourth Proportional to 982,665.12, 1,473,997.80 and 272,693.40

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Solution

The fourth proportional to 982,665.12, 1,473,997.80 and 272,693.40 is: 409,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,665.12 : 1,473,997.80 = 272,693.40 : x
  2. Step 2: Convert to fraction form
    982,665.12/1,473,997.80 = 272,693.40/x
  3. Step 3: Cross multiply
    982,665.12x = 1,473,997.80 × 272,693.40
  4. Step 4: Simplify right side
    982,665.12x = 401,949,471,674.52
  5. Step 5: Solve for x
    x = 401,949,471,674.52/982,665.12
  6. Step 6: Final answer
    x = 409,040.13

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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.