Home / 838,478.04-1,257,452.32-269,732.34

Finding the Fourth Proportional to 838,478.04, 1,257,452.32 and 269,732.34

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Solution

The fourth proportional to 838,478.04, 1,257,452.32 and 269,732.34 is: 404,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,478.04 : 1,257,452.32 = 269,732.34 : x
  2. Step 2: Convert to fraction form
    838,478.04/1,257,452.32 = 269,732.34/x
  3. Step 3: Cross multiply
    838,478.04x = 1,257,452.32 × 269,732.34
  4. Step 4: Simplify right side
    838,478.04x = 339,175,556,543.45
  5. Step 5: Solve for x
    x = 339,175,556,543.45/838,478.04
  6. Step 6: Final answer
    x = 404,513.34

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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.