Home / 931,825.22-1,282,745.36-689,651.42

Finding the Fourth Proportional to 931,825.22, 1,282,745.36 and 689,651.42

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Solution

The fourth proportional to 931,825.22, 1,282,745.36 and 689,651.42 is: 949,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,825.22 : 1,282,745.36 = 689,651.42 : x
  2. Step 2: Convert to fraction form
    931,825.22/1,282,745.36 = 689,651.42/x
  3. Step 3: Cross multiply
    931,825.22x = 1,282,745.36 × 689,651.42
  4. Step 4: Simplify right side
    931,825.22x = 884,647,154,332.81
  5. Step 5: Solve for x
    x = 884,647,154,332.81/931,825.22
  6. Step 6: Final answer
    x = 949,370.27

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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.