Home / 851,480.91-1,173,822.57-669,877.56

Finding the Fourth Proportional to 851,480.91, 1,173,822.57 and 669,877.56

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Solution

The fourth proportional to 851,480.91, 1,173,822.57 and 669,877.56 is: 923,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,480.91 : 1,173,822.57 = 669,877.56 : x
  2. Step 2: Convert to fraction form
    851,480.91/1,173,822.57 = 669,877.56/x
  3. Step 3: Cross multiply
    851,480.91x = 1,173,822.57 × 669,877.56
  4. Step 4: Simplify right side
    851,480.91x = 786,317,399,064.53
  5. Step 5: Solve for x
    x = 786,317,399,064.53/851,480.91
  6. Step 6: Final answer
    x = 923,470.38

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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.