Home / 848,578.76-1,273,024.70-279,999.15

Finding the Fourth Proportional to 848,578.76, 1,273,024.70 and 279,999.15

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Solution

The fourth proportional to 848,578.76, 1,273,024.70 and 279,999.15 is: 420,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,578.76 : 1,273,024.70 = 279,999.15 : x
  2. Step 2: Convert to fraction form
    848,578.76/1,273,024.70 = 279,999.15/x
  3. Step 3: Cross multiply
    848,578.76x = 1,273,024.70 × 279,999.15
  4. Step 4: Simplify right side
    848,578.76x = 356,445,841,121.31
  5. Step 5: Solve for x
    x = 356,445,841,121.31/848,578.76
  6. Step 6: Final answer
    x = 420,050.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.