Home / 500,771.16-691,056.77-271,322.06

Finding the Fourth Proportional to 500,771.16, 691,056.77 and 271,322.06

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Solution

The fourth proportional to 500,771.16, 691,056.77 and 271,322.06 is: 374,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,771.16 : 691,056.77 = 271,322.06 : x
  2. Step 2: Convert to fraction form
    500,771.16/691,056.77 = 271,322.06/x
  3. Step 3: Cross multiply
    500,771.16x = 691,056.77 × 271,322.06
  4. Step 4: Simplify right side
    500,771.16x = 187,498,941,601.45
  5. Step 5: Solve for x
    x = 187,498,941,601.45/500,771.16
  6. Step 6: Final answer
    x = 374,420.41

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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.