Home / 871,373.73-1,307,061.62-272,338.03

Finding the Fourth Proportional to 871,373.73, 1,307,061.62 and 272,338.03

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Solution

The fourth proportional to 871,373.73, 1,307,061.62 and 272,338.03 is: 408,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,373.73 : 1,307,061.62 = 272,338.03 : x
  2. Step 2: Convert to fraction form
    871,373.73/1,307,061.62 = 272,338.03/x
  3. Step 3: Cross multiply
    871,373.73x = 1,307,061.62 × 272,338.03
  4. Step 4: Simplify right side
    871,373.73x = 355,962,584,092.60
  5. Step 5: Solve for x
    x = 355,962,584,092.60/871,373.73
  6. Step 6: Final answer
    x = 408,507.36

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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.