Home / 955,504.28-1,433,463.78-290,639

Finding the Fourth Proportional to 955,504.28, 1,433,463.78 and 290,639

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Solution

The fourth proportional to 955,504.28, 1,433,463.78 and 290,639 is: 436,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,504.28 : 1,433,463.78 = 290,639 : x
  2. Step 2: Convert to fraction form
    955,504.28/1,433,463.78 = 290,639/x
  3. Step 3: Cross multiply
    955,504.28x = 1,433,463.78 × 290,639
  4. Step 4: Simplify right side
    955,504.28x = 416,620,479,555.42
  5. Step 5: Solve for x
    x = 416,620,479,555.42/955,504.28
  6. Step 6: Final answer
    x = 436,021.57

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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.