Home / 868,167.65-1,302,251.48-307,258.85

Finding the Fourth Proportional to 868,167.65, 1,302,251.48 and 307,258.85

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Solution

The fourth proportional to 868,167.65, 1,302,251.48 and 307,258.85 is: 460,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,167.65 : 1,302,251.48 = 307,258.85 : x
  2. Step 2: Convert to fraction form
    868,167.65/1,302,251.48 = 307,258.85/x
  3. Step 3: Cross multiply
    868,167.65x = 1,302,251.48 × 307,258.85
  4. Step 4: Simplify right side
    868,167.65x = 400,128,290,619.30
  5. Step 5: Solve for x
    x = 400,128,290,619.30/868,167.65
  6. Step 6: Final answer
    x = 460,888.28

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Double scale
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Similar ratio
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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.