Home / 848,970.52-1,273,580.82-280,410.66

Finding the Fourth Proportional to 848,970.52, 1,273,580.82 and 280,410.66

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Solution

The fourth proportional to 848,970.52, 1,273,580.82 and 280,410.66 is: 420,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,970.52 : 1,273,580.82 = 280,410.66 : x
  2. Step 2: Convert to fraction form
    848,970.52/1,273,580.82 = 280,410.66/x
  3. Step 3: Cross multiply
    848,970.52x = 1,273,580.82 × 280,410.66
  4. Step 4: Simplify right side
    848,970.52x = 357,125,638,299.54
  5. Step 5: Solve for x
    x = 357,125,638,299.54/848,970.52
  6. Step 6: Final answer
    x = 420,657.29

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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.