Home / 867,774.30-1,301,661.45-306,735.90

Finding the Fourth Proportional to 867,774.30, 1,301,661.45 and 306,735.90

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Solution

The fourth proportional to 867,774.30, 1,301,661.45 and 306,735.90 is: 460,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,774.30 : 1,301,661.45 = 306,735.90 : x
  2. Step 2: Convert to fraction form
    867,774.30/1,301,661.45 = 306,735.90/x
  3. Step 3: Cross multiply
    867,774.30x = 1,301,661.45 × 306,735.90
  4. Step 4: Simplify right side
    867,774.30x = 399,266,296,361.06
  5. Step 5: Solve for x
    x = 399,266,296,361.06/867,774.30
  6. Step 6: Final answer
    x = 460,103.85

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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.