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Finding the Fourth Proportional to 404,704.33, 558,484.89 and 223,411.60

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Solution

The fourth proportional to 404,704.33, 558,484.89 and 223,411.60 is: 308,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,704.33 : 558,484.89 = 223,411.60 : x
  2. Step 2: Convert to fraction form
    404,704.33/558,484.89 = 223,411.60/x
  3. Step 3: Cross multiply
    404,704.33x = 558,484.89 × 223,411.60
  4. Step 4: Simplify right side
    404,704.33x = 124,772,003,967.73
  5. Step 5: Solve for x
    x = 124,772,003,967.73/404,704.33
  6. Step 6: Final answer
    x = 308,304.10

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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.