Home / 976,869.40-1,465,304.10-858,771.40

Finding the Fourth Proportional to 976,869.40, 1,465,304.10 and 858,771.40

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Solution

The fourth proportional to 976,869.40, 1,465,304.10 and 858,771.40 is: 1,288,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,869.40 : 1,465,304.10 = 858,771.40 : x
  2. Step 2: Convert to fraction form
    976,869.40/1,465,304.10 = 858,771.40/x
  3. Step 3: Cross multiply
    976,869.40x = 1,465,304.10 × 858,771.40
  4. Step 4: Simplify right side
    976,869.40x = 1,258,361,253,382.74
  5. Step 5: Solve for x
    x = 1,258,361,253,382.74/976,869.40
  6. Step 6: Final answer
    x = 1,288,157.10

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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.