Home / 871,240.68-1,307,042.46-272,177.64

Finding the Fourth Proportional to 871,240.68, 1,307,042.46 and 272,177.64

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Solution

The fourth proportional to 871,240.68, 1,307,042.46 and 272,177.64 is: 408,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,240.68 : 1,307,042.46 = 272,177.64 : x
  2. Step 2: Convert to fraction form
    871,240.68/1,307,042.46 = 272,177.64/x
  3. Step 3: Cross multiply
    871,240.68x = 1,307,042.46 × 272,177.64
  4. Step 4: Simplify right side
    871,240.68x = 355,747,732,142.59
  5. Step 5: Solve for x
    x = 355,747,732,142.59/871,240.68
  6. Step 6: Final answer
    x = 408,323.14

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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.