Home / 803,477.26-1,205,285.94-263,571.66

Finding the Fourth Proportional to 803,477.26, 1,205,285.94 and 263,571.66

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Solution

The fourth proportional to 803,477.26, 1,205,285.94 and 263,571.66 is: 395,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,477.26 : 1,205,285.94 = 263,571.66 : x
  2. Step 2: Convert to fraction form
    803,477.26/1,205,285.94 = 263,571.66/x
  3. Step 3: Cross multiply
    803,477.26x = 1,205,285.94 × 263,571.66
  4. Step 4: Simplify right side
    803,477.26x = 317,679,215,980.46
  5. Step 5: Solve for x
    x = 317,679,215,980.46/803,477.26
  6. Step 6: Final answer
    x = 395,380.47

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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.