Home / 964,989.27-1,331,659.49-557,077.32

Finding the Fourth Proportional to 964,989.27, 1,331,659.49 and 557,077.32

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Solution

The fourth proportional to 964,989.27, 1,331,659.49 and 557,077.32 is: 768,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,989.27 : 1,331,659.49 = 557,077.32 : x
  2. Step 2: Convert to fraction form
    964,989.27/1,331,659.49 = 557,077.32/x
  3. Step 3: Cross multiply
    964,989.27x = 1,331,659.49 × 557,077.32
  4. Step 4: Simplify right side
    964,989.27x = 741,837,297,056.38
  5. Step 5: Solve for x
    x = 741,837,297,056.38/964,989.27
  6. Step 6: Final answer
    x = 768,751.86

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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.