Home / 804,648.40-1,207,118.40-404,281.60

Finding the Fourth Proportional to 804,648.40, 1,207,118.40 and 404,281.60

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Solution

The fourth proportional to 804,648.40, 1,207,118.40 and 404,281.60 is: 606,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,648.40 : 1,207,118.40 = 404,281.60 : x
  2. Step 2: Convert to fraction form
    804,648.40/1,207,118.40 = 404,281.60/x
  3. Step 3: Cross multiply
    804,648.40x = 1,207,118.40 × 404,281.60
  4. Step 4: Simplify right side
    804,648.40x = 488,015,758,141.44
  5. Step 5: Solve for x
    x = 488,015,758,141.44/804,648.40
  6. Step 6: Final answer
    x = 606,495.65

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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.