Home / 931,599.90-1,396,403.28-481,867.92

Finding the Fourth Proportional to 931,599.90, 1,396,403.28 and 481,867.92

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Solution

The fourth proportional to 931,599.90, 1,396,403.28 and 481,867.92 is: 722,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,599.90 : 1,396,403.28 = 481,867.92 : x
  2. Step 2: Convert to fraction form
    931,599.90/1,396,403.28 = 481,867.92/x
  3. Step 3: Cross multiply
    931,599.90x = 1,396,403.28 × 481,867.92
  4. Step 4: Simplify right side
    931,599.90x = 672,881,944,014.78
  5. Step 5: Solve for x
    x = 672,881,944,014.78/931,599.90
  6. Step 6: Final answer
    x = 722,286.41

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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.