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Finding the Fourth Proportional to 868,760.28, 1,303,314 and 300,162.14

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Solution

The fourth proportional to 868,760.28, 1,303,314 and 300,162.14 is: 450,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,760.28 : 1,303,314 = 300,162.14 : x
  2. Step 2: Convert to fraction form
    868,760.28/1,303,314 = 300,162.14/x
  3. Step 3: Cross multiply
    868,760.28x = 1,303,314 × 300,162.14
  4. Step 4: Simplify right side
    868,760.28x = 391,205,519,331.96
  5. Step 5: Solve for x
    x = 391,205,519,331.96/868,760.28
  6. Step 6: Final answer
    x = 450,303.18

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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.