Home / 821,260.26-1,232,553.78-348,277.50

Finding the Fourth Proportional to 821,260.26, 1,232,553.78 and 348,277.50

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Solution

The fourth proportional to 821,260.26, 1,232,553.78 and 348,277.50 is: 522,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,260.26 : 1,232,553.78 = 348,277.50 : x
  2. Step 2: Convert to fraction form
    821,260.26/1,232,553.78 = 348,277.50/x
  3. Step 3: Cross multiply
    821,260.26x = 1,232,553.78 × 348,277.50
  4. Step 4: Simplify right side
    821,260.26x = 429,270,749,113.95
  5. Step 5: Solve for x
    x = 429,270,749,113.95/821,260.26
  6. Step 6: Final answer
    x = 522,697.58

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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.