Home / 976,859.20-1,465,215.90-408,093.40

Finding the Fourth Proportional to 976,859.20, 1,465,215.90 and 408,093.40

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Solution

The fourth proportional to 976,859.20, 1,465,215.90 and 408,093.40 is: 612,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,859.20 : 1,465,215.90 = 408,093.40 : x
  2. Step 2: Convert to fraction form
    976,859.20/1,465,215.90 = 408,093.40/x
  3. Step 3: Cross multiply
    976,859.20x = 1,465,215.90 × 408,093.40
  4. Step 4: Simplify right side
    976,859.20x = 597,944,938,365.06
  5. Step 5: Solve for x
    x = 597,944,938,365.06/976,859.20
  6. Step 6: Final answer
    x = 612,109.65

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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.