Home / 964,998.45-1,331,672.13-557,086.50

Finding the Fourth Proportional to 964,998.45, 1,331,672.13 and 557,086.50

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Solution

The fourth proportional to 964,998.45, 1,331,672.13 and 557,086.50 is: 768,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,998.45 : 1,331,672.13 = 557,086.50 : x
  2. Step 2: Convert to fraction form
    964,998.45/1,331,672.13 = 557,086.50/x
  3. Step 3: Cross multiply
    964,998.45x = 1,331,672.13 × 557,086.50
  4. Step 4: Simplify right side
    964,998.45x = 741,856,566,049.25
  5. Step 5: Solve for x
    x = 741,856,566,049.25/964,998.45
  6. Step 6: Final answer
    x = 768,764.52

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1.5x scale

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.