Home / 834,489.30-1,151,742.66-490,325.16

Finding the Fourth Proportional to 834,489.30, 1,151,742.66 and 490,325.16

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Solution

The fourth proportional to 834,489.30, 1,151,742.66 and 490,325.16 is: 676,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,489.30 : 1,151,742.66 = 490,325.16 : x
  2. Step 2: Convert to fraction form
    834,489.30/1,151,742.66 = 490,325.16/x
  3. Step 3: Cross multiply
    834,489.30x = 1,151,742.66 × 490,325.16
  4. Step 4: Simplify right side
    834,489.30x = 564,728,404,043.33
  5. Step 5: Solve for x
    x = 564,728,404,043.33/834,489.30
  6. Step 6: Final answer
    x = 676,735.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.