Home / 748,836.20-1,033,394.49-409,304.45

Finding the Fourth Proportional to 748,836.20, 1,033,394.49 and 409,304.45

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Solution

The fourth proportional to 748,836.20, 1,033,394.49 and 409,304.45 is: 564,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,836.20 : 1,033,394.49 = 409,304.45 : x
  2. Step 2: Convert to fraction form
    748,836.20/1,033,394.49 = 409,304.45/x
  3. Step 3: Cross multiply
    748,836.20x = 1,033,394.49 × 409,304.45
  4. Step 4: Simplify right side
    748,836.20x = 422,972,958,195.51
  5. Step 5: Solve for x
    x = 422,972,958,195.51/748,836.20
  6. Step 6: Final answer
    x = 564,840.43

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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.