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Finding the Fourth Proportional to 559,455.75, 839,177.43 and 334,878.80

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Solution

The fourth proportional to 559,455.75, 839,177.43 and 334,878.80 is: 502,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,455.75 : 839,177.43 = 334,878.80 : x
  2. Step 2: Convert to fraction form
    559,455.75/839,177.43 = 334,878.80/x
  3. Step 3: Cross multiply
    559,455.75x = 839,177.43 × 334,878.80
  4. Step 4: Simplify right side
    559,455.75x = 281,022,726,549.60
  5. Step 5: Solve for x
    x = 281,022,726,549.60/559,455.75
  6. Step 6: Final answer
    x = 502,314.48

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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.