Home / 748,638.92-1,033,144.26-409,112.84

Finding the Fourth Proportional to 748,638.92, 1,033,144.26 and 409,112.84

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Solution

The fourth proportional to 748,638.92, 1,033,144.26 and 409,112.84 is: 564,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,638.92 : 1,033,144.26 = 409,112.84 : x
  2. Step 2: Convert to fraction form
    748,638.92/1,033,144.26 = 409,112.84/x
  3. Step 3: Cross multiply
    748,638.92x = 1,033,144.26 × 409,112.84
  4. Step 4: Simplify right side
    748,638.92x = 422,672,582,338.30
  5. Step 5: Solve for x
    x = 422,672,582,338.30/748,638.92
  6. Step 6: Final answer
    x = 564,588.04

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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.