Home / 769,052.05-1,153,824.52-538,481.22

Finding the Fourth Proportional to 769,052.05, 1,153,824.52 and 538,481.22

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Solution

The fourth proportional to 769,052.05, 1,153,824.52 and 538,481.22 is: 807,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,052.05 : 1,153,824.52 = 538,481.22 : x
  2. Step 2: Convert to fraction form
    769,052.05/1,153,824.52 = 538,481.22/x
  3. Step 3: Cross multiply
    769,052.05x = 1,153,824.52 × 538,481.22
  4. Step 4: Simplify right side
    769,052.05x = 621,312,829,017.64
  5. Step 5: Solve for x
    x = 621,312,829,017.64/769,052.05
  6. Step 6: Final answer
    x = 807,894.38

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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.