Home / 905,900.84-1,359,061.02-266,214.32

Finding the Fourth Proportional to 905,900.84, 1,359,061.02 and 266,214.32

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Solution

The fourth proportional to 905,900.84, 1,359,061.02 and 266,214.32 is: 399,383.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,900.84 : 1,359,061.02 = 266,214.32 : x
  2. Step 2: Convert to fraction form
    905,900.84/1,359,061.02 = 266,214.32/x
  3. Step 3: Cross multiply
    905,900.84x = 1,359,061.02 × 266,214.32
  4. Step 4: Simplify right side
    905,900.84x = 361,801,505,277.81
  5. Step 5: Solve for x
    x = 361,801,505,277.81/905,900.84
  6. Step 6: Final answer
    x = 399,383.12

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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.