Home / 820,125.11-1,131,773.36-457,549.04

Finding the Fourth Proportional to 820,125.11, 1,131,773.36 and 457,549.04

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Solution

The fourth proportional to 820,125.11, 1,131,773.36 and 457,549.04 is: 631,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,125.11 : 1,131,773.36 = 457,549.04 : x
  2. Step 2: Convert to fraction form
    820,125.11/1,131,773.36 = 457,549.04/x
  3. Step 3: Cross multiply
    820,125.11x = 1,131,773.36 × 457,549.04
  4. Step 4: Simplify right side
    820,125.11x = 517,841,811,942.41
  5. Step 5: Solve for x
    x = 517,841,811,942.41/820,125.11
  6. Step 6: Final answer
    x = 631,418.07

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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.