Home / 809,208.90-1,213,813.35-804,543.30

Finding the Fourth Proportional to 809,208.90, 1,213,813.35 and 804,543.30

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Solution

The fourth proportional to 809,208.90, 1,213,813.35 and 804,543.30 is: 1,206,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,208.90 : 1,213,813.35 = 804,543.30 : x
  2. Step 2: Convert to fraction form
    809,208.90/1,213,813.35 = 804,543.30/x
  3. Step 3: Cross multiply
    809,208.90x = 1,213,813.35 × 804,543.30
  4. Step 4: Simplify right side
    809,208.90x = 976,565,398,193.06
  5. Step 5: Solve for x
    x = 976,565,398,193.06/809,208.90
  6. Step 6: Final answer
    x = 1,206,814.95

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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.