Home / 986,972.80-1,481,042.40-650,984.80

Finding the Fourth Proportional to 986,972.80, 1,481,042.40 and 650,984.80

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Solution

The fourth proportional to 986,972.80, 1,481,042.40 and 650,984.80 is: 976,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,972.80 : 1,481,042.40 = 650,984.80 : x
  2. Step 2: Convert to fraction form
    986,972.80/1,481,042.40 = 650,984.80/x
  3. Step 3: Cross multiply
    986,972.80x = 1,481,042.40 × 650,984.80
  4. Step 4: Simplify right side
    986,972.80x = 964,136,090,555.52
  5. Step 5: Solve for x
    x = 964,136,090,555.52/986,972.80
  6. Step 6: Final answer
    x = 976,861.87

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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.