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Finding the Fourth Proportional to 559,551.78, 772,180.29 and 304,902.36

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Solution

The fourth proportional to 559,551.78, 772,180.29 and 304,902.36 is: 420,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,551.78 : 772,180.29 = 304,902.36 : x
  2. Step 2: Convert to fraction form
    559,551.78/772,180.29 = 304,902.36/x
  3. Step 3: Cross multiply
    559,551.78x = 772,180.29 × 304,902.36
  4. Step 4: Simplify right side
    559,551.78x = 235,439,592,766.48
  5. Step 5: Solve for x
    x = 235,439,592,766.48/559,551.78
  6. Step 6: Final answer
    x = 420,764.62

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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.