Home / 868,758.28-1,303,310.99-300,160.15

Finding the Fourth Proportional to 868,758.28, 1,303,310.99 and 300,160.15

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Solution

The fourth proportional to 868,758.28, 1,303,310.99 and 300,160.15 is: 450,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,758.28 : 1,303,310.99 = 300,160.15 : x
  2. Step 2: Convert to fraction form
    868,758.28/1,303,310.99 = 300,160.15/x
  3. Step 3: Cross multiply
    868,758.28x = 1,303,310.99 × 300,160.15
  4. Step 4: Simplify right side
    868,758.28x = 391,202,019,747.17
  5. Step 5: Solve for x
    x = 391,202,019,747.17/868,758.28
  6. Step 6: Final answer
    x = 450,300.19

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1.5x scale

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.