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Finding the Fourth Proportional to 559,905.70, 839,858.55 and 204,931.30

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Solution

The fourth proportional to 559,905.70, 839,858.55 and 204,931.30 is: 307,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,905.70 : 839,858.55 = 204,931.30 : x
  2. Step 2: Convert to fraction form
    559,905.70/839,858.55 = 204,931.30/x
  3. Step 3: Cross multiply
    559,905.70x = 839,858.55 × 204,931.30
  4. Step 4: Simplify right side
    559,905.70x = 172,113,304,467.62
  5. Step 5: Solve for x
    x = 172,113,304,467.62/559,905.70
  6. Step 6: Final answer
    x = 307,396.95

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Similar ratio
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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.