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Finding the Fourth Proportional to 557,172.44, 768,901.98 and 302,523.80

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Solution

The fourth proportional to 557,172.44, 768,901.98 and 302,523.80 is: 417,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,172.44 : 768,901.98 = 302,523.80 : x
  2. Step 2: Convert to fraction form
    557,172.44/768,901.98 = 302,523.80/x
  3. Step 3: Cross multiply
    557,172.44x = 768,901.98 × 302,523.80
  4. Step 4: Simplify right side
    557,172.44x = 232,611,148,817.12
  5. Step 5: Solve for x
    x = 232,611,148,817.12/557,172.44
  6. Step 6: Final answer
    x = 417,485.02

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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.