Home / 976,821.70-1,465,159.65-408,055.90

Finding the Fourth Proportional to 976,821.70, 1,465,159.65 and 408,055.90

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Solution

The fourth proportional to 976,821.70, 1,465,159.65 and 408,055.90 is: 612,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,821.70 : 1,465,159.65 = 408,055.90 : x
  2. Step 2: Convert to fraction form
    976,821.70/1,465,159.65 = 408,055.90/x
  3. Step 3: Cross multiply
    976,821.70x = 1,465,159.65 × 408,055.90
  4. Step 4: Simplify right side
    976,821.70x = 597,867,039,624.44
  5. Step 5: Solve for x
    x = 597,867,039,624.44/976,821.70
  6. Step 6: Final answer
    x = 612,053.40

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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.