Home / 965,167.75-1,447,715.28-291,231.15

Finding the Fourth Proportional to 965,167.75, 1,447,715.28 and 291,231.15

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Solution

The fourth proportional to 965,167.75, 1,447,715.28 and 291,231.15 is: 436,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,167.75 : 1,447,715.28 = 291,231.15 : x
  2. Step 2: Convert to fraction form
    965,167.75/1,447,715.28 = 291,231.15/x
  3. Step 3: Cross multiply
    965,167.75x = 1,447,715.28 × 291,231.15
  4. Step 4: Simplify right side
    965,167.75x = 421,619,785,866.97
  5. Step 5: Solve for x
    x = 421,619,785,866.97/965,167.75
  6. Step 6: Final answer
    x = 436,835.76

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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.