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Finding the Fourth Proportional to 662,003.12, 992,227.07 and 306,265.70

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Solution

The fourth proportional to 662,003.12, 992,227.07 and 306,265.70 is: 459,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,003.12 : 992,227.07 = 306,265.70 : x
  2. Step 2: Convert to fraction form
    662,003.12/992,227.07 = 306,265.70/x
  3. Step 3: Cross multiply
    662,003.12x = 992,227.07 × 306,265.70
  4. Step 4: Simplify right side
    662,003.12x = 303,885,111,660.04
  5. Step 5: Solve for x
    x = 303,885,111,660.04/662,003.12
  6. Step 6: Final answer
    x = 459,038.79

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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.