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Finding the Fourth Proportional to 559,530.78, 839,427.30 and 222,590.58

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Solution

The fourth proportional to 559,530.78, 839,427.30 and 222,590.58 is: 333,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,530.78 : 839,427.30 = 222,590.58 : x
  2. Step 2: Convert to fraction form
    559,530.78/839,427.30 = 222,590.58/x
  3. Step 3: Cross multiply
    559,530.78x = 839,427.30 × 222,590.58
  4. Step 4: Simplify right side
    559,530.78x = 186,848,609,574.83
  5. Step 5: Solve for x
    x = 186,848,609,574.83/559,530.78
  6. Step 6: Final answer
    x = 333,938.04

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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.