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Finding the Fourth Proportional to 500,523.57, 690,719.00 and 271,075.68

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Solution

The fourth proportional to 500,523.57, 690,719.00 and 271,075.68 is: 374,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,523.57 : 690,719.00 = 271,075.68 : x
  2. Step 2: Convert to fraction form
    500,523.57/690,719.00 = 271,075.68/x
  3. Step 3: Cross multiply
    500,523.57x = 690,719.00 × 271,075.68
  4. Step 4: Simplify right side
    500,523.57x = 187,237,121,258.54
  5. Step 5: Solve for x
    x = 187,237,121,258.54/500,523.57
  6. Step 6: Final answer
    x = 374,082.53

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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.