Home / 976,912.80-1,465,369.20-693,477.60

Finding the Fourth Proportional to 976,912.80, 1,465,369.20 and 693,477.60

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Solution

The fourth proportional to 976,912.80, 1,465,369.20 and 693,477.60 is: 1,040,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,912.80 : 1,465,369.20 = 693,477.60 : x
  2. Step 2: Convert to fraction form
    976,912.80/1,465,369.20 = 693,477.60/x
  3. Step 3: Cross multiply
    976,912.80x = 1,465,369.20 × 693,477.60
  4. Step 4: Simplify right side
    976,912.80x = 1,016,200,715,929.92
  5. Step 5: Solve for x
    x = 1,016,200,715,929.92/976,912.80
  6. Step 6: Final answer
    x = 1,040,216.40

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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.