Home / 708,943.89-1,062,465.93-663,542.97

Finding the Fourth Proportional to 708,943.89, 1,062,465.93 and 663,542.97

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Solution

The fourth proportional to 708,943.89, 1,062,465.93 and 663,542.97 is: 994,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,943.89 : 1,062,465.93 = 663,542.97 : x
  2. Step 2: Convert to fraction form
    708,943.89/1,062,465.93 = 663,542.97/x
  3. Step 3: Cross multiply
    708,943.89x = 1,062,465.93 × 663,542.97
  4. Step 4: Simplify right side
    708,943.89x = 704,991,798,716.01
  5. Step 5: Solve for x
    x = 704,991,798,716.01/708,943.89
  6. Step 6: Final answer
    x = 994,425.38

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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.