Home / 757,940.20-1,045,973.30-413,790.63

Finding the Fourth Proportional to 757,940.20, 1,045,973.30 and 413,790.63

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Solution

The fourth proportional to 757,940.20, 1,045,973.30 and 413,790.63 is: 571,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,940.20 : 1,045,973.30 = 413,790.63 : x
  2. Step 2: Convert to fraction form
    757,940.20/1,045,973.30 = 413,790.63/x
  3. Step 3: Cross multiply
    757,940.20x = 1,045,973.30 × 413,790.63
  4. Step 4: Simplify right side
    757,940.20x = 432,813,951,804.66
  5. Step 5: Solve for x
    x = 432,813,951,804.66/757,940.20
  6. Step 6: Final answer
    x = 571,039.71

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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.