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Finding the Fourth Proportional to 544,857.94, 817,278.71 and 245,126.86

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Solution

The fourth proportional to 544,857.94, 817,278.71 and 245,126.86 is: 367,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,857.94 : 817,278.71 = 245,126.86 : x
  2. Step 2: Convert to fraction form
    544,857.94/817,278.71 = 245,126.86/x
  3. Step 3: Cross multiply
    544,857.94x = 817,278.71 × 245,126.86
  4. Step 4: Simplify right side
    544,857.94x = 200,336,962,037.16
  5. Step 5: Solve for x
    x = 200,336,962,037.16/544,857.94
  6. Step 6: Final answer
    x = 367,686.60

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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.