Home / 809,838.20-1,213,007.70-704,862.20

Finding the Fourth Proportional to 809,838.20, 1,213,007.70 and 704,862.20

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Solution

The fourth proportional to 809,838.20, 1,213,007.70 and 704,862.20 is: 1,055,770.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,838.20 : 1,213,007.70 = 704,862.20 : x
  2. Step 2: Convert to fraction form
    809,838.20/1,213,007.70 = 704,862.20/x
  3. Step 3: Cross multiply
    809,838.20x = 1,213,007.70 × 704,862.20
  4. Step 4: Simplify right side
    809,838.20x = 855,003,276,038.94
  5. Step 5: Solve for x
    x = 855,003,276,038.94/809,838.20
  6. Step 6: Final answer
    x = 1,055,770.49

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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.