Home / 886,677.82-1,330,203.65-287,592.40

Finding the Fourth Proportional to 886,677.82, 1,330,203.65 and 287,592.40

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Solution

The fourth proportional to 886,677.82, 1,330,203.65 and 287,592.40 is: 431,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,677.82 : 1,330,203.65 = 287,592.40 : x
  2. Step 2: Convert to fraction form
    886,677.82/1,330,203.65 = 287,592.40/x
  3. Step 3: Cross multiply
    886,677.82x = 1,330,203.65 × 287,592.40
  4. Step 4: Simplify right side
    886,677.82x = 382,556,452,103.28
  5. Step 5: Solve for x
    x = 382,556,452,103.28/886,677.82
  6. Step 6: Final answer
    x = 431,449.22

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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.