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Finding the Fourth Proportional to 500,777.77, 691,072.35 and 271,341.26

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Solution

The fourth proportional to 500,777.77, 691,072.35 and 271,341.26 is: 374,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,777.77 : 691,072.35 = 271,341.26 : x
  2. Step 2: Convert to fraction form
    500,777.77/691,072.35 = 271,341.26/x
  3. Step 3: Cross multiply
    500,777.77x = 691,072.35 × 271,341.26
  4. Step 4: Simplify right side
    500,777.77x = 187,516,443,997.40
  5. Step 5: Solve for x
    x = 187,516,443,997.40/500,777.77
  6. Step 6: Final answer
    x = 374,450.41

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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.