Home / 886,978.44-1,330,448.85-287,938.71

Finding the Fourth Proportional to 886,978.44, 1,330,448.85 and 287,938.71

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Solution

The fourth proportional to 886,978.44, 1,330,448.85 and 287,938.71 is: 431,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,978.44 : 1,330,448.85 = 287,938.71 : x
  2. Step 2: Convert to fraction form
    886,978.44/1,330,448.85 = 287,938.71/x
  3. Step 3: Cross multiply
    886,978.44x = 1,330,448.85 × 287,938.71
  4. Step 4: Simplify right side
    886,978.44x = 383,087,725,589.98
  5. Step 5: Solve for x
    x = 383,087,725,589.98/886,978.44
  6. Step 6: Final answer
    x = 431,901.96

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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.