Home / 693,121.14-1,039,419.26-272,167.38

Finding the Fourth Proportional to 693,121.14, 1,039,419.26 and 272,167.38

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Solution

The fourth proportional to 693,121.14, 1,039,419.26 and 272,167.38 is: 408,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,121.14 : 1,039,419.26 = 272,167.38 : x
  2. Step 2: Convert to fraction form
    693,121.14/1,039,419.26 = 272,167.38/x
  3. Step 3: Cross multiply
    693,121.14x = 1,039,419.26 × 272,167.38
  4. Step 4: Simplify right side
    693,121.14x = 282,896,016,715.74
  5. Step 5: Solve for x
    x = 282,896,016,715.74/693,121.14
  6. Step 6: Final answer
    x = 408,148.01

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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.