Home / 821,884.98-1,134,205.46-459,314.90

Finding the Fourth Proportional to 821,884.98, 1,134,205.46 and 459,314.90

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Solution

The fourth proportional to 821,884.98, 1,134,205.46 and 459,314.90 is: 633,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,884.98 : 1,134,205.46 = 459,314.90 : x
  2. Step 2: Convert to fraction form
    821,884.98/1,134,205.46 = 459,314.90/x
  3. Step 3: Cross multiply
    821,884.98x = 1,134,205.46 × 459,314.90
  4. Step 4: Simplify right side
    821,884.98x = 520,957,467,439.35
  5. Step 5: Solve for x
    x = 520,957,467,439.35/821,884.98
  6. Step 6: Final answer
    x = 633,856.90

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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.