Home / 617,921.70-926,364.15-322,433.70

Finding the Fourth Proportional to 617,921.70, 926,364.15 and 322,433.70

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Solution

The fourth proportional to 617,921.70, 926,364.15 and 322,433.70 is: 483,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,921.70 : 926,364.15 = 322,433.70 : x
  2. Step 2: Convert to fraction form
    617,921.70/926,364.15 = 322,433.70/x
  3. Step 3: Cross multiply
    617,921.70x = 926,364.15 × 322,433.70
  4. Step 4: Simplify right side
    617,921.70x = 298,691,020,431.86
  5. Step 5: Solve for x
    x = 298,691,020,431.86/617,921.70
  6. Step 6: Final answer
    x = 483,380.05

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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.