Home / 748,529.06-1,032,958.05-408,990.02

Finding the Fourth Proportional to 748,529.06, 1,032,958.05 and 408,990.02

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Solution

The fourth proportional to 748,529.06, 1,032,958.05 and 408,990.02 is: 564,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,529.06 : 1,032,958.05 = 408,990.02 : x
  2. Step 2: Convert to fraction form
    748,529.06/1,032,958.05 = 408,990.02/x
  3. Step 3: Cross multiply
    748,529.06x = 1,032,958.05 × 408,990.02
  4. Step 4: Simplify right side
    748,529.06x = 422,469,533,528.66
  5. Step 5: Solve for x
    x = 422,469,533,528.66/748,529.06
  6. Step 6: Final answer
    x = 564,399.64

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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.