Home / 803,867.49-1,205,826.75-404,289.83

Finding the Fourth Proportional to 803,867.49, 1,205,826.75 and 404,289.83

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Solution

The fourth proportional to 803,867.49, 1,205,826.75 and 404,289.83 is: 606,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,867.49 : 1,205,826.75 = 404,289.83 : x
  2. Step 2: Convert to fraction form
    803,867.49/1,205,826.75 = 404,289.83/x
  3. Step 3: Cross multiply
    803,867.49x = 1,205,826.75 × 404,289.83
  4. Step 4: Simplify right side
    803,867.49x = 487,503,494,781.52
  5. Step 5: Solve for x
    x = 487,503,494,781.52/803,867.49
  6. Step 6: Final answer
    x = 606,447.58

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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.