Home / 435,934.80-653,902.20-270,046.80

Finding the Fourth Proportional to 435,934.80, 653,902.20 and 270,046.80

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Solution

The fourth proportional to 435,934.80, 653,902.20 and 270,046.80 is: 405,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,934.80 : 653,902.20 = 270,046.80 : x
  2. Step 2: Convert to fraction form
    435,934.80/653,902.20 = 270,046.80/x
  3. Step 3: Cross multiply
    435,934.80x = 653,902.20 × 270,046.80
  4. Step 4: Simplify right side
    435,934.80x = 176,584,196,622.96
  5. Step 5: Solve for x
    x = 176,584,196,622.96/435,934.80
  6. Step 6: Final answer
    x = 405,070.20

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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.