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Finding the Fourth Proportional to 510,014.37, 703,797.64 and 280,557.11

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Solution

The fourth proportional to 510,014.37, 703,797.64 and 280,557.11 is: 387,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,014.37 : 703,797.64 = 280,557.11 : x
  2. Step 2: Convert to fraction form
    510,014.37/703,797.64 = 280,557.11/x
  3. Step 3: Cross multiply
    510,014.37x = 703,797.64 × 280,557.11
  4. Step 4: Simplify right side
    510,014.37x = 197,455,431,903.22
  5. Step 5: Solve for x
    x = 197,455,431,903.22/510,014.37
  6. Step 6: Final answer
    x = 387,156.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.