Home / 820,373.61-1,132,115.78-452,850.95

Finding the Fourth Proportional to 820,373.61, 1,132,115.78 and 452,850.95

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Solution

The fourth proportional to 820,373.61, 1,132,115.78 and 452,850.95 is: 624,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,373.61 : 1,132,115.78 = 452,850.95 : x
  2. Step 2: Convert to fraction form
    820,373.61/1,132,115.78 = 452,850.95/x
  3. Step 3: Cross multiply
    820,373.61x = 1,132,115.78 × 452,850.95
  4. Step 4: Simplify right side
    820,373.61x = 512,679,706,482.99
  5. Step 5: Solve for x
    x = 512,679,706,482.99/820,373.61
  6. Step 6: Final answer
    x = 624,934.42

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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.