Home / 976,005.80-1,464,008.70-641,162.60

Finding the Fourth Proportional to 976,005.80, 1,464,008.70 and 641,162.60

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Solution

The fourth proportional to 976,005.80, 1,464,008.70 and 641,162.60 is: 961,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,005.80 : 1,464,008.70 = 641,162.60 : x
  2. Step 2: Convert to fraction form
    976,005.80/1,464,008.70 = 641,162.60/x
  3. Step 3: Cross multiply
    976,005.80x = 1,464,008.70 × 641,162.60
  4. Step 4: Simplify right side
    976,005.80x = 938,667,624,514.62
  5. Step 5: Solve for x
    x = 938,667,624,514.62/976,005.80
  6. Step 6: Final answer
    x = 961,743.90

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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.