Home / 886,443.26-1,329,694.04-287,409.38

Finding the Fourth Proportional to 886,443.26, 1,329,694.04 and 287,409.38

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Solution

The fourth proportional to 886,443.26, 1,329,694.04 and 287,409.38 is: 431,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,443.26 : 1,329,694.04 = 287,409.38 : x
  2. Step 2: Convert to fraction form
    886,443.26/1,329,694.04 = 287,409.38/x
  3. Step 3: Cross multiply
    886,443.26x = 1,329,694.04 × 287,409.38
  4. Step 4: Simplify right side
    886,443.26x = 382,166,533,696.15
  5. Step 5: Solve for x
    x = 382,166,533,696.15/886,443.26
  6. Step 6: Final answer
    x = 431,123.52

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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.