Home / 887,213.30-1,330,603.95-256,061.30

Finding the Fourth Proportional to 887,213.30, 1,330,603.95 and 256,061.30

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Solution

The fourth proportional to 887,213.30, 1,330,603.95 and 256,061.30 is: 384,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,213.30 : 1,330,603.95 = 256,061.30 : x
  2. Step 2: Convert to fraction form
    887,213.30/1,330,603.95 = 256,061.30/x
  3. Step 3: Cross multiply
    887,213.30x = 1,330,603.95 × 256,061.30
  4. Step 4: Simplify right side
    887,213.30x = 340,716,177,222.14
  5. Step 5: Solve for x
    x = 340,716,177,222.14/887,213.30
  6. Step 6: Final answer
    x = 384,029.61

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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.