Home / 748,794.87-1,033,321.73-409,265.55

Finding the Fourth Proportional to 748,794.87, 1,033,321.73 and 409,265.55

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Solution

The fourth proportional to 748,794.87, 1,033,321.73 and 409,265.55 is: 564,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,794.87 : 1,033,321.73 = 409,265.55 : x
  2. Step 2: Convert to fraction form
    748,794.87/1,033,321.73 = 409,265.55/x
  3. Step 3: Cross multiply
    748,794.87x = 1,033,321.73 × 409,265.55
  4. Step 4: Simplify right side
    748,794.87x = 422,902,984,109.07
  5. Step 5: Solve for x
    x = 422,902,984,109.07/748,794.87
  6. Step 6: Final answer
    x = 564,778.15

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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.