Home / 1,098,954.22-1,648,242.32-330,440.26

Finding the Fourth Proportional to 1,098,954.22, 1,648,242.32 and 330,440.26

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Solution

The fourth proportional to 1,098,954.22, 1,648,242.32 and 330,440.26 is: 495,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,954.22 : 1,648,242.32 = 330,440.26 : x
  2. Step 2: Convert to fraction form
    1,098,954.22/1,648,242.32 = 330,440.26/x
  3. Step 3: Cross multiply
    1,098,954.22x = 1,648,242.32 × 330,440.26
  4. Step 4: Simplify right side
    1,098,954.22x = 544,645,620,763.80
  5. Step 5: Solve for x
    x = 544,645,620,763.80/1,098,954.22
  6. Step 6: Final answer
    x = 495,603.56

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.