Home / 820,318.62-1,132,037.46-457,738.50

Finding the Fourth Proportional to 820,318.62, 1,132,037.46 and 457,738.50

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Solution

The fourth proportional to 820,318.62, 1,132,037.46 and 457,738.50 is: 631,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,318.62 : 1,132,037.46 = 457,738.50 : x
  2. Step 2: Convert to fraction form
    820,318.62/1,132,037.46 = 457,738.50/x
  3. Step 3: Cross multiply
    820,318.62x = 1,132,037.46 × 457,738.50
  4. Step 4: Simplify right side
    820,318.62x = 518,177,128,884.21
  5. Step 5: Solve for x
    x = 518,177,128,884.21/820,318.62
  6. Step 6: Final answer
    x = 631,677.88

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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.