Home / 803,564.64-1,205,371.80-404,221.68

Finding the Fourth Proportional to 803,564.64, 1,205,371.80 and 404,221.68

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Solution

The fourth proportional to 803,564.64, 1,205,371.80 and 404,221.68 is: 606,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,564.64 : 1,205,371.80 = 404,221.68 : x
  2. Step 2: Convert to fraction form
    803,564.64/1,205,371.80 = 404,221.68/x
  3. Step 3: Cross multiply
    803,564.64x = 1,205,371.80 × 404,221.68
  4. Step 4: Simplify right side
    803,564.64x = 487,237,414,020.62
  5. Step 5: Solve for x
    x = 487,237,414,020.62/803,564.64
  6. Step 6: Final answer
    x = 606,345.02

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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.