Home / 887,029.70-1,330,252.95-325,991.30

Finding the Fourth Proportional to 887,029.70, 1,330,252.95 and 325,991.30

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Solution

The fourth proportional to 887,029.70, 1,330,252.95 and 325,991.30 is: 488,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,029.70 : 1,330,252.95 = 325,991.30 : x
  2. Step 2: Convert to fraction form
    887,029.70/1,330,252.95 = 325,991.30/x
  3. Step 3: Cross multiply
    887,029.70x = 1,330,252.95 × 325,991.30
  4. Step 4: Simplify right side
    887,029.70x = 433,650,888,499.34
  5. Step 5: Solve for x
    x = 433,650,888,499.34/887,029.70
  6. Step 6: Final answer
    x = 488,879.78

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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.