Home / 855,829.28-1,283,758.50-323,600.96

Finding the Fourth Proportional to 855,829.28, 1,283,758.50 and 323,600.96

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Solution

The fourth proportional to 855,829.28, 1,283,758.50 and 323,600.96 is: 485,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,829.28 : 1,283,758.50 = 323,600.96 : x
  2. Step 2: Convert to fraction form
    855,829.28/1,283,758.50 = 323,600.96/x
  3. Step 3: Cross multiply
    855,829.28x = 1,283,758.50 × 323,600.96
  4. Step 4: Simplify right side
    855,829.28x = 415,425,483,008.16
  5. Step 5: Solve for x
    x = 415,425,483,008.16/855,829.28
  6. Step 6: Final answer
    x = 485,406.95

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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.