Home / 901,639.27-1,350,312-521,759.40

Finding the Fourth Proportional to 901,639.27, 1,350,312 and 521,759.40

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Solution

The fourth proportional to 901,639.27, 1,350,312 and 521,759.40 is: 781,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,639.27 : 1,350,312 = 521,759.40 : x
  2. Step 2: Convert to fraction form
    901,639.27/1,350,312 = 521,759.40/x
  3. Step 3: Cross multiply
    901,639.27x = 1,350,312 × 521,759.40
  4. Step 4: Simplify right side
    901,639.27x = 704,537,978,932.80
  5. Step 5: Solve for x
    x = 704,537,978,932.80/901,639.27
  6. Step 6: Final answer
    x = 781,396.73

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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.