Home / 871,375.98-1,307,065.01-272,340.29

Finding the Fourth Proportional to 871,375.98, 1,307,065.01 and 272,340.29

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Solution

The fourth proportional to 871,375.98, 1,307,065.01 and 272,340.29 is: 408,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,375.98 : 1,307,065.01 = 272,340.29 : x
  2. Step 2: Convert to fraction form
    871,375.98/1,307,065.01 = 272,340.29/x
  3. Step 3: Cross multiply
    871,375.98x = 1,307,065.01 × 272,340.29
  4. Step 4: Simplify right side
    871,375.98x = 355,966,455,975.23
  5. Step 5: Solve for x
    x = 355,966,455,975.23/871,375.98
  6. Step 6: Final answer
    x = 408,510.75

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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.