Home / 871,003.10-1,306,504.02-272,015.58

Finding the Fourth Proportional to 871,003.10, 1,306,504.02 and 272,015.58

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Solution

The fourth proportional to 871,003.10, 1,306,504.02 and 272,015.58 is: 408,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,003.10 : 1,306,504.02 = 272,015.58 : x
  2. Step 2: Convert to fraction form
    871,003.10/1,306,504.02 = 272,015.58/x
  3. Step 3: Cross multiply
    871,003.10x = 1,306,504.02 × 272,015.58
  4. Step 4: Simplify right side
    871,003.10x = 355,389,448,772.63
  5. Step 5: Solve for x
    x = 355,389,448,772.63/871,003.10
  6. Step 6: Final answer
    x = 408,023.18

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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.