Home / 897,105.98-1,345,793.38-289,691.33

Finding the Fourth Proportional to 897,105.98, 1,345,793.38 and 289,691.33

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Solution

The fourth proportional to 897,105.98, 1,345,793.38 and 289,691.33 is: 434,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,105.98 : 1,345,793.38 = 289,691.33 : x
  2. Step 2: Convert to fraction form
    897,105.98/1,345,793.38 = 289,691.33/x
  3. Step 3: Cross multiply
    897,105.98x = 1,345,793.38 × 289,691.33
  4. Step 4: Simplify right side
    897,105.98x = 389,864,677,883.99
  5. Step 5: Solve for x
    x = 389,864,677,883.99/897,105.98
  6. Step 6: Final answer
    x = 434,580.40

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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.