Home / 748,738.62-1,033,244.10-409,209.30

Finding the Fourth Proportional to 748,738.62, 1,033,244.10 and 409,209.30

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Solution

The fourth proportional to 748,738.62, 1,033,244.10 and 409,209.30 is: 564,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,738.62 : 1,033,244.10 = 409,209.30 : x
  2. Step 2: Convert to fraction form
    748,738.62/1,033,244.10 = 409,209.30/x
  3. Step 3: Cross multiply
    748,738.62x = 1,033,244.10 × 409,209.30
  4. Step 4: Simplify right side
    748,738.62x = 422,813,094,890.13
  5. Step 5: Solve for x
    x = 422,813,094,890.13/748,738.62
  6. Step 6: Final answer
    x = 564,700.53

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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.