Home / 748,794.62-1,033,321.38-409,265.30

Finding the Fourth Proportional to 748,794.62, 1,033,321.38 and 409,265.30

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Solution

The fourth proportional to 748,794.62, 1,033,321.38 and 409,265.30 is: 564,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,794.62 : 1,033,321.38 = 409,265.30 : x
  2. Step 2: Convert to fraction form
    748,794.62/1,033,321.38 = 409,265.30/x
  3. Step 3: Cross multiply
    748,794.62x = 1,033,321.38 × 409,265.30
  4. Step 4: Simplify right side
    748,794.62x = 422,902,584,582.11
  5. Step 5: Solve for x
    x = 422,902,584,582.11/748,794.62
  6. Step 6: Final answer
    x = 564,777.81

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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.