Home / 848,606.66-1,272,949.85-280,037.45

Finding the Fourth Proportional to 848,606.66, 1,272,949.85 and 280,037.45

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Solution

The fourth proportional to 848,606.66, 1,272,949.85 and 280,037.45 is: 420,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,606.66 : 1,272,949.85 = 280,037.45 : x
  2. Step 2: Convert to fraction form
    848,606.66/1,272,949.85 = 280,037.45/x
  3. Step 3: Cross multiply
    848,606.66x = 1,272,949.85 × 280,037.45
  4. Step 4: Simplify right side
    848,606.66x = 356,473,633,854.35
  5. Step 5: Solve for x
    x = 356,473,633,854.35/848,606.66
  6. Step 6: Final answer
    x = 420,069.33

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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.