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Finding the Fourth Proportional to 559,604.56, 772,254.42 and 304,955.80

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Solution

The fourth proportional to 559,604.56, 772,254.42 and 304,955.80 is: 420,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,604.56 : 772,254.42 = 304,955.80 : x
  2. Step 2: Convert to fraction form
    559,604.56/772,254.42 = 304,955.80/x
  3. Step 3: Cross multiply
    559,604.56x = 772,254.42 × 304,955.80
  4. Step 4: Simplify right side
    559,604.56x = 235,503,464,454.64
  5. Step 5: Solve for x
    x = 235,503,464,454.64/559,604.56
  6. Step 6: Final answer
    x = 420,839.07

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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.