Home / 868,200.12-1,302,349.38-269,246.40

Finding the Fourth Proportional to 868,200.12, 1,302,349.38 and 269,246.40

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Solution

The fourth proportional to 868,200.12, 1,302,349.38 and 269,246.40 is: 403,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,200.12 : 1,302,349.38 = 269,246.40 : x
  2. Step 2: Convert to fraction form
    868,200.12/1,302,349.38 = 269,246.40/x
  3. Step 3: Cross multiply
    868,200.12x = 1,302,349.38 × 269,246.40
  4. Step 4: Simplify right side
    868,200.12x = 350,652,882,107.23
  5. Step 5: Solve for x
    x = 350,652,882,107.23/868,200.12
  6. Step 6: Final answer
    x = 403,884.86

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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.