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Finding the Fourth Proportional to 536,127.68, 739,873.44 and 309,773.12

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Solution

The fourth proportional to 536,127.68, 739,873.44 and 309,773.12 is: 427,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,127.68 : 739,873.44 = 309,773.12 : x
  2. Step 2: Convert to fraction form
    536,127.68/739,873.44 = 309,773.12/x
  3. Step 3: Cross multiply
    536,127.68x = 739,873.44 × 309,773.12
  4. Step 4: Simplify right side
    536,127.68x = 229,192,903,913.93
  5. Step 5: Solve for x
    x = 229,192,903,913.93/536,127.68
  6. Step 6: Final answer
    x = 427,496.87

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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.