Home / 848,366.78-1,170,676.53-499,451.79

Finding the Fourth Proportional to 848,366.78, 1,170,676.53 and 499,451.79

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Solution

The fourth proportional to 848,366.78, 1,170,676.53 and 499,451.79 is: 689,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,366.78 : 1,170,676.53 = 499,451.79 : x
  2. Step 2: Convert to fraction form
    848,366.78/1,170,676.53 = 499,451.79/x
  3. Step 3: Cross multiply
    848,366.78x = 1,170,676.53 × 499,451.79
  4. Step 4: Simplify right side
    848,366.78x = 584,696,488,419.49
  5. Step 5: Solve for x
    x = 584,696,488,419.49/848,366.78
  6. Step 6: Final answer
    x = 689,202.48

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Double scale
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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.