Home / 685,982.28-1,029,604.98-349,263.60

Finding the Fourth Proportional to 685,982.28, 1,029,604.98 and 349,263.60

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Solution

The fourth proportional to 685,982.28, 1,029,604.98 and 349,263.60 is: 524,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,982.28 : 1,029,604.98 = 349,263.60 : x
  2. Step 2: Convert to fraction form
    685,982.28/1,029,604.98 = 349,263.60/x
  3. Step 3: Cross multiply
    685,982.28x = 1,029,604.98 × 349,263.60
  4. Step 4: Simplify right side
    685,982.28x = 359,603,541,892.73
  5. Step 5: Solve for x
    x = 359,603,541,892.73/685,982.28
  6. Step 6: Final answer
    x = 524,216.95

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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.