Home / 976,883.40-1,465,325.10-858,785.40

Finding the Fourth Proportional to 976,883.40, 1,465,325.10 and 858,785.40

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Solution

The fourth proportional to 976,883.40, 1,465,325.10 and 858,785.40 is: 1,288,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,883.40 : 1,465,325.10 = 858,785.40 : x
  2. Step 2: Convert to fraction form
    976,883.40/1,465,325.10 = 858,785.40/x
  3. Step 3: Cross multiply
    976,883.40x = 1,465,325.10 × 858,785.40
  4. Step 4: Simplify right side
    976,883.40x = 1,258,399,802,133.54
  5. Step 5: Solve for x
    x = 1,258,399,802,133.54/976,883.40
  6. Step 6: Final answer
    x = 1,288,178.10

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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.