Home / 872,464.44-1,204,002.80-490,494.36

Finding the Fourth Proportional to 872,464.44, 1,204,002.80 and 490,494.36

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Solution

The fourth proportional to 872,464.44, 1,204,002.80 and 490,494.36 is: 676,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,464.44 : 1,204,002.80 = 490,494.36 : x
  2. Step 2: Convert to fraction form
    872,464.44/1,204,002.80 = 490,494.36/x
  3. Step 3: Cross multiply
    872,464.44x = 1,204,002.80 × 490,494.36
  4. Step 4: Simplify right side
    872,464.44x = 590,556,582,824.21
  5. Step 5: Solve for x
    x = 590,556,582,824.21/872,464.44
  6. Step 6: Final answer
    x = 676,883.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.