Home / 848,371.78-1,170,683.42-499,456.80

Finding the Fourth Proportional to 848,371.78, 1,170,683.42 and 499,456.80

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Solution

The fourth proportional to 848,371.78, 1,170,683.42 and 499,456.80 is: 689,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,371.78 : 1,170,683.42 = 499,456.80 : x
  2. Step 2: Convert to fraction form
    848,371.78/1,170,683.42 = 499,456.80/x
  3. Step 3: Cross multiply
    848,371.78x = 1,170,683.42 × 499,456.80
  4. Step 4: Simplify right side
    848,371.78x = 584,705,794,766.26
  5. Step 5: Solve for x
    x = 584,705,794,766.26/848,371.78
  6. Step 6: Final answer
    x = 689,209.39

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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.