Home / 543,436.29-749,965.49-301,718.87

Finding the Fourth Proportional to 543,436.29, 749,965.49 and 301,718.87

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Solution

The fourth proportional to 543,436.29, 749,965.49 and 301,718.87 is: 416,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,436.29 : 749,965.49 = 301,718.87 : x
  2. Step 2: Convert to fraction form
    543,436.29/749,965.49 = 301,718.87/x
  3. Step 3: Cross multiply
    543,436.29x = 749,965.49 × 301,718.87
  4. Step 4: Simplify right side
    543,436.29x = 226,278,740,181.80
  5. Step 5: Solve for x
    x = 226,278,740,181.80/543,436.29
  6. Step 6: Final answer
    x = 416,385.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.