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Finding the Fourth Proportional to 499,777.05, 689,692.38 and 270,334.23

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Solution

The fourth proportional to 499,777.05, 689,692.38 and 270,334.23 is: 373,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,777.05 : 689,692.38 = 270,334.23 : x
  2. Step 2: Convert to fraction form
    499,777.05/689,692.38 = 270,334.23/x
  3. Step 3: Cross multiply
    499,777.05x = 689,692.38 × 270,334.23
  4. Step 4: Simplify right side
    499,777.05x = 186,447,458,484.17
  5. Step 5: Solve for x
    x = 186,447,458,484.17/499,777.05
  6. Step 6: Final answer
    x = 373,061.26

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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.