Home / 906,008.20-1,359,012.54-266,311.96

Finding the Fourth Proportional to 906,008.20, 1,359,012.54 and 266,311.96

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Solution

The fourth proportional to 906,008.20, 1,359,012.54 and 266,311.96 is: 399,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,008.20 : 1,359,012.54 = 266,311.96 : x
  2. Step 2: Convert to fraction form
    906,008.20/1,359,012.54 = 266,311.96/x
  3. Step 3: Cross multiply
    906,008.20x = 1,359,012.54 × 266,311.96
  4. Step 4: Simplify right side
    906,008.20x = 361,921,293,191.98
  5. Step 5: Solve for x
    x = 361,921,293,191.98/906,008.20
  6. Step 6: Final answer
    x = 399,468.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.