Home / 809,110.80-1,213,666.20-335,746.80

Finding the Fourth Proportional to 809,110.80, 1,213,666.20 and 335,746.80

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Solution

The fourth proportional to 809,110.80, 1,213,666.20 and 335,746.80 is: 503,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,110.80 : 1,213,666.20 = 335,746.80 : x
  2. Step 2: Convert to fraction form
    809,110.80/1,213,666.20 = 335,746.80/x
  3. Step 3: Cross multiply
    809,110.80x = 1,213,666.20 × 335,746.80
  4. Step 4: Simplify right side
    809,110.80x = 407,484,542,918.16
  5. Step 5: Solve for x
    x = 407,484,542,918.16/809,110.80
  6. Step 6: Final answer
    x = 503,620.20

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1.5x scale

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.