Home / 855,425.70-1,180,750.53-493,091.74

Finding the Fourth Proportional to 855,425.70, 1,180,750.53 and 493,091.74

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Solution

The fourth proportional to 855,425.70, 1,180,750.53 and 493,091.74 is: 680,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,425.70 : 1,180,750.53 = 493,091.74 : x
  2. Step 2: Convert to fraction form
    855,425.70/1,180,750.53 = 493,091.74/x
  3. Step 3: Cross multiply
    855,425.70x = 1,180,750.53 × 493,091.74
  4. Step 4: Simplify right side
    855,425.70x = 582,218,333,343.62
  5. Step 5: Solve for x
    x = 582,218,333,343.62/855,425.70
  6. Step 6: Final answer
    x = 680,618.24

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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.