Home / 976,044.80-1,464,067.20-641,201.60

Finding the Fourth Proportional to 976,044.80, 1,464,067.20 and 641,201.60

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Solution

The fourth proportional to 976,044.80, 1,464,067.20 and 641,201.60 is: 961,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,044.80 : 1,464,067.20 = 641,201.60 : x
  2. Step 2: Convert to fraction form
    976,044.80/1,464,067.20 = 641,201.60/x
  3. Step 3: Cross multiply
    976,044.80x = 1,464,067.20 × 641,201.60
  4. Step 4: Simplify right side
    976,044.80x = 938,762,231,147.52
  5. Step 5: Solve for x
    x = 938,762,231,147.52/976,044.80
  6. Step 6: Final answer
    x = 961,802.40

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Similar ratio
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1.5x scale

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.