Home / 809,941.80-1,117,731.48-470,410.04

Finding the Fourth Proportional to 809,941.80, 1,117,731.48 and 470,410.04

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Solution

The fourth proportional to 809,941.80, 1,117,731.48 and 470,410.04 is: 649,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,941.80 : 1,117,731.48 = 470,410.04 : x
  2. Step 2: Convert to fraction form
    809,941.80/1,117,731.48 = 470,410.04/x
  3. Step 3: Cross multiply
    809,941.80x = 1,117,731.48 × 470,410.04
  4. Step 4: Simplify right side
    809,941.80x = 525,792,110,216.06
  5. Step 5: Solve for x
    x = 525,792,110,216.06/809,941.80
  6. Step 6: Final answer
    x = 649,172.71

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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.