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Finding the Fourth Proportional to 671,299.12, 926,396.64 and 365,374.77

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Solution

The fourth proportional to 671,299.12, 926,396.64 and 365,374.77 is: 504,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,299.12 : 926,396.64 = 365,374.77 : x
  2. Step 2: Convert to fraction form
    671,299.12/926,396.64 = 365,374.77/x
  3. Step 3: Cross multiply
    671,299.12x = 926,396.64 × 365,374.77
  4. Step 4: Simplify right side
    671,299.12x = 338,481,958,051.85
  5. Step 5: Solve for x
    x = 338,481,958,051.85/671,299.12
  6. Step 6: Final answer
    x = 504,219.28

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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.