Home / 976,912.80-1,465,369.20-603,664.80

Finding the Fourth Proportional to 976,912.80, 1,465,369.20 and 603,664.80

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Solution

The fourth proportional to 976,912.80, 1,465,369.20 and 603,664.80 is: 905,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,912.80 : 1,465,369.20 = 603,664.80 : x
  2. Step 2: Convert to fraction form
    976,912.80/1,465,369.20 = 603,664.80/x
  3. Step 3: Cross multiply
    976,912.80x = 1,465,369.20 × 603,664.80
  4. Step 4: Simplify right side
    976,912.80x = 884,591,805,044.16
  5. Step 5: Solve for x
    x = 884,591,805,044.16/976,912.80
  6. Step 6: Final answer
    x = 905,497.20

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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.