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Finding the Fourth Proportional to 558,602.20, 770,867.49 and 303,954.40

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Solution

The fourth proportional to 558,602.20, 770,867.49 and 303,954.40 is: 419,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,602.20 : 770,867.49 = 303,954.40 : x
  2. Step 2: Convert to fraction form
    558,602.20/770,867.49 = 303,954.40/x
  3. Step 3: Cross multiply
    558,602.20x = 770,867.49 × 303,954.40
  4. Step 4: Simplify right side
    558,602.20x = 234,308,565,402.46
  5. Step 5: Solve for x
    x = 234,308,565,402.46/558,602.20
  6. Step 6: Final answer
    x = 419,455.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.