Home / 964,983.26-1,331,651.21-557,071.31

Finding the Fourth Proportional to 964,983.26, 1,331,651.21 and 557,071.31

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Solution

The fourth proportional to 964,983.26, 1,331,651.21 and 557,071.31 is: 768,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,983.26 : 1,331,651.21 = 557,071.31 : x
  2. Step 2: Convert to fraction form
    964,983.26/1,331,651.21 = 557,071.31/x
  3. Step 3: Cross multiply
    964,983.26x = 1,331,651.21 × 557,071.31
  4. Step 4: Simplify right side
    964,983.26x = 741,824,684,561.56
  5. Step 5: Solve for x
    x = 741,824,684,561.56/964,983.26
  6. Step 6: Final answer
    x = 768,743.58

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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.