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Finding the Fourth Proportional to 539,892.95, 810,003.45 and 303,077.30

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Solution

The fourth proportional to 539,892.95, 810,003.45 and 303,077.30 is: 454,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,892.95 : 810,003.45 = 303,077.30 : x
  2. Step 2: Convert to fraction form
    539,892.95/810,003.45 = 303,077.30/x
  3. Step 3: Cross multiply
    539,892.95x = 810,003.45 × 303,077.30
  4. Step 4: Simplify right side
    539,892.95x = 245,493,658,616.69
  5. Step 5: Solve for x
    x = 245,493,658,616.69/539,892.95
  6. Step 6: Final answer
    x = 454,708.03

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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.