Home / 887,151.80-1,330,856.14-279,733.94

Finding the Fourth Proportional to 887,151.80, 1,330,856.14 and 279,733.94

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Solution

The fourth proportional to 887,151.80, 1,330,856.14 and 279,733.94 is: 419,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,151.80 : 1,330,856.14 = 279,733.94 : x
  2. Step 2: Convert to fraction form
    887,151.80/1,330,856.14 = 279,733.94/x
  3. Step 3: Cross multiply
    887,151.80x = 1,330,856.14 × 279,733.94
  4. Step 4: Simplify right side
    887,151.80x = 372,285,631,615.39
  5. Step 5: Solve for x
    x = 372,285,631,615.39/887,151.80
  6. Step 6: Final answer
    x = 419,641.41

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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.