Home / 964,999.76-1,331,673.96-557,087.84

Finding the Fourth Proportional to 964,999.76, 1,331,673.96 and 557,087.84

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Solution

The fourth proportional to 964,999.76, 1,331,673.96 and 557,087.84 is: 768,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,999.76 : 1,331,673.96 = 557,087.84 : x
  2. Step 2: Convert to fraction form
    964,999.76/1,331,673.96 = 557,087.84/x
  3. Step 3: Cross multiply
    964,999.76x = 1,331,673.96 × 557,087.84
  4. Step 4: Simplify right side
    964,999.76x = 741,859,369,960.65
  5. Step 5: Solve for x
    x = 741,859,369,960.65/964,999.76
  6. Step 6: Final answer
    x = 768,766.38

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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.