Home / 805,093.40-1,207,785.90-404,726.60

Finding the Fourth Proportional to 805,093.40, 1,207,785.90 and 404,726.60

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Solution

The fourth proportional to 805,093.40, 1,207,785.90 and 404,726.60 is: 607,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,093.40 : 1,207,785.90 = 404,726.60 : x
  2. Step 2: Convert to fraction form
    805,093.40/1,207,785.90 = 404,726.60/x
  3. Step 3: Cross multiply
    805,093.40x = 1,207,785.90 × 404,726.60
  4. Step 4: Simplify right side
    805,093.40x = 488,823,080,834.94
  5. Step 5: Solve for x
    x = 488,823,080,834.94/805,093.40
  6. Step 6: Final answer
    x = 607,163.19

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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.