Home / 923,304.78-1,385,036.46-324,214.44

Finding the Fourth Proportional to 923,304.78, 1,385,036.46 and 324,214.44

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Solution

The fourth proportional to 923,304.78, 1,385,036.46 and 324,214.44 is: 486,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,304.78 : 1,385,036.46 = 324,214.44 : x
  2. Step 2: Convert to fraction form
    923,304.78/1,385,036.46 = 324,214.44/x
  3. Step 3: Cross multiply
    923,304.78x = 1,385,036.46 × 324,214.44
  4. Step 4: Simplify right side
    923,304.78x = 449,048,820,258.48
  5. Step 5: Solve for x
    x = 449,048,820,258.48/923,304.78
  6. Step 6: Final answer
    x = 486,349.50

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Double scale
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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.