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Finding the Fourth Proportional to 815,682, 1,125,187.75 and 757,950.24

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Solution

The fourth proportional to 815,682, 1,125,187.75 and 757,950.24 is: 1,045,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,682 : 1,125,187.75 = 757,950.24 : x
  2. Step 2: Convert to fraction form
    815,682/1,125,187.75 = 757,950.24/x
  3. Step 3: Cross multiply
    815,682x = 1,125,187.75 × 757,950.24
  4. Step 4: Simplify right side
    815,682x = 852,836,325,157.56
  5. Step 5: Solve for x
    x = 852,836,325,157.56/815,682
  6. Step 6: Final answer
    x = 1,045,550.01

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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.