Home / 820,373.11-1,132,115.09-452,850.45

Finding the Fourth Proportional to 820,373.11, 1,132,115.09 and 452,850.45

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Solution

The fourth proportional to 820,373.11, 1,132,115.09 and 452,850.45 is: 624,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,373.11 : 1,132,115.09 = 452,850.45 : x
  2. Step 2: Convert to fraction form
    820,373.11/1,132,115.09 = 452,850.45/x
  3. Step 3: Cross multiply
    820,373.11x = 1,132,115.09 × 452,850.45
  4. Step 4: Simplify right side
    820,373.11x = 512,678,827,958.29
  5. Step 5: Solve for x
    x = 512,678,827,958.29/820,373.11
  6. Step 6: Final answer
    x = 624,933.73

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1.5x scale

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.