Home / 609,205.10-913,264.88-289,159.52

Finding the Fourth Proportional to 609,205.10, 913,264.88 and 289,159.52

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Solution

The fourth proportional to 609,205.10, 913,264.88 and 289,159.52 is: 433,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,205.10 : 913,264.88 = 289,159.52 : x
  2. Step 2: Convert to fraction form
    609,205.10/913,264.88 = 289,159.52/x
  3. Step 3: Cross multiply
    609,205.10x = 913,264.88 × 289,159.52
  4. Step 4: Simplify right side
    609,205.10x = 264,079,228,321.54
  5. Step 5: Solve for x
    x = 264,079,228,321.54/609,205.10
  6. Step 6: Final answer
    x = 433,481.65

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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.