Home / 804,998.40-1,207,643.40-404,631.60

Finding the Fourth Proportional to 804,998.40, 1,207,643.40 and 404,631.60

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Solution

The fourth proportional to 804,998.40, 1,207,643.40 and 404,631.60 is: 607,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,998.40 : 1,207,643.40 = 404,631.60 : x
  2. Step 2: Convert to fraction form
    804,998.40/1,207,643.40 = 404,631.60/x
  3. Step 3: Cross multiply
    804,998.40x = 1,207,643.40 × 404,631.60
  4. Step 4: Simplify right side
    804,998.40x = 488,650,681,171.44
  5. Step 5: Solve for x
    x = 488,650,681,171.44/804,998.40
  6. Step 6: Final answer
    x = 607,020.69

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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.