Home / 809,804.30-1,117,529.92-470,294.42

Finding the Fourth Proportional to 809,804.30, 1,117,529.92 and 470,294.42

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Solution

The fourth proportional to 809,804.30, 1,117,529.92 and 470,294.42 is: 649,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,804.30 : 1,117,529.92 = 470,294.42 : x
  2. Step 2: Convert to fraction form
    809,804.30/1,117,529.92 = 470,294.42/x
  3. Step 3: Cross multiply
    809,804.30x = 1,117,529.92 × 470,294.42
  4. Step 4: Simplify right side
    809,804.30x = 525,568,085,559.05
  5. Step 5: Solve for x
    x = 525,568,085,559.05/809,804.30
  6. Step 6: Final answer
    x = 649,006.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.