Home / 803,447.91-1,205,178.75-204,409.71

Finding the Fourth Proportional to 803,447.91, 1,205,178.75 and 204,409.71

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Solution

The fourth proportional to 803,447.91, 1,205,178.75 and 204,409.71 is: 306,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,447.91 : 1,205,178.75 = 204,409.71 : x
  2. Step 2: Convert to fraction form
    803,447.91/1,205,178.75 = 204,409.71/x
  3. Step 3: Cross multiply
    803,447.91x = 1,205,178.75 × 204,409.71
  4. Step 4: Simplify right side
    803,447.91x = 246,350,238,785.66
  5. Step 5: Solve for x
    x = 246,350,238,785.66/803,447.91
  6. Step 6: Final answer
    x = 306,616.32

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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.