Home / 871,320.82-1,307,061.87-338,882.26

Finding the Fourth Proportional to 871,320.82, 1,307,061.87 and 338,882.26

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Solution

The fourth proportional to 871,320.82, 1,307,061.87 and 338,882.26 is: 508,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,320.82 : 1,307,061.87 = 338,882.26 : x
  2. Step 2: Convert to fraction form
    871,320.82/1,307,061.87 = 338,882.26/x
  3. Step 3: Cross multiply
    871,320.82x = 1,307,061.87 × 338,882.26
  4. Step 4: Simplify right side
    871,320.82x = 442,940,080,465.43
  5. Step 5: Solve for x
    x = 442,940,080,465.43/871,320.82
  6. Step 6: Final answer
    x = 508,354.75

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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.