Home / 848,253.45-1,272,110.19-279,528.45

Finding the Fourth Proportional to 848,253.45, 1,272,110.19 and 279,528.45

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Solution

The fourth proportional to 848,253.45, 1,272,110.19 and 279,528.45 is: 419,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,253.45 : 1,272,110.19 = 279,528.45 : x
  2. Step 2: Convert to fraction form
    848,253.45/1,272,110.19 = 279,528.45/x
  3. Step 3: Cross multiply
    848,253.45x = 1,272,110.19 × 279,528.45
  4. Step 4: Simplify right side
    848,253.45x = 355,590,989,639.91
  5. Step 5: Solve for x
    x = 355,590,989,639.91/848,253.45
  6. Step 6: Final answer
    x = 419,203.71

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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.