Home / 909,660.96-1,364,806.14-311,043.48

Finding the Fourth Proportional to 909,660.96, 1,364,806.14 and 311,043.48

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Solution

The fourth proportional to 909,660.96, 1,364,806.14 and 311,043.48 is: 466,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,660.96 : 1,364,806.14 = 311,043.48 : x
  2. Step 2: Convert to fraction form
    909,660.96/1,364,806.14 = 311,043.48/x
  3. Step 3: Cross multiply
    909,660.96x = 1,364,806.14 × 311,043.48
  4. Step 4: Simplify right side
    909,660.96x = 424,514,051,310.97
  5. Step 5: Solve for x
    x = 424,514,051,310.97/909,660.96
  6. Step 6: Final answer
    x = 466,672.83

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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.