Home / 867,834.30-1,301,751.45-306,795.90

Finding the Fourth Proportional to 867,834.30, 1,301,751.45 and 306,795.90

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Solution

The fourth proportional to 867,834.30, 1,301,751.45 and 306,795.90 is: 460,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,834.30 : 1,301,751.45 = 306,795.90 : x
  2. Step 2: Convert to fraction form
    867,834.30/1,301,751.45 = 306,795.90/x
  3. Step 3: Cross multiply
    867,834.30x = 1,301,751.45 × 306,795.90
  4. Step 4: Simplify right side
    867,834.30x = 399,372,007,679.06
  5. Step 5: Solve for x
    x = 399,372,007,679.06/867,834.30
  6. Step 6: Final answer
    x = 460,193.85

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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.