Home / 805,299.68-1,207,949.77-236,680.87

Finding the Fourth Proportional to 805,299.68, 1,207,949.77 and 236,680.87

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Solution

The fourth proportional to 805,299.68, 1,207,949.77 and 236,680.87 is: 355,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,299.68 : 1,207,949.77 = 236,680.87 : x
  2. Step 2: Convert to fraction form
    805,299.68/1,207,949.77 = 236,680.87/x
  3. Step 3: Cross multiply
    805,299.68x = 1,207,949.77 × 236,680.87
  4. Step 4: Simplify right side
    805,299.68x = 285,898,602,479.90
  5. Step 5: Solve for x
    x = 285,898,602,479.90/805,299.68
  6. Step 6: Final answer
    x = 355,021.38

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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.