Home / 820,376.61-1,132,119.92-452,853.95

Finding the Fourth Proportional to 820,376.61, 1,132,119.92 and 452,853.95

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Solution

The fourth proportional to 820,376.61, 1,132,119.92 and 452,853.95 is: 624,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,376.61 : 1,132,119.92 = 452,853.95 : x
  2. Step 2: Convert to fraction form
    820,376.61/1,132,119.92 = 452,853.95/x
  3. Step 3: Cross multiply
    820,376.61x = 1,132,119.92 × 452,853.95
  4. Step 4: Simplify right side
    820,376.61x = 512,684,977,645.68
  5. Step 5: Solve for x
    x = 512,684,977,645.68/820,376.61
  6. Step 6: Final answer
    x = 624,938.56

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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.