Home / 724,732.09-1,086,876.69-345,453.00

Finding the Fourth Proportional to 724,732.09, 1,086,876.69 and 345,453.00

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Solution

The fourth proportional to 724,732.09, 1,086,876.69 and 345,453.00 is: 518,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,732.09 : 1,086,876.69 = 345,453.00 : x
  2. Step 2: Convert to fraction form
    724,732.09/1,086,876.69 = 345,453.00/x
  3. Step 3: Cross multiply
    724,732.09x = 1,086,876.69 × 345,453.00
  4. Step 4: Simplify right side
    724,732.09x = 375,464,814,904.60
  5. Step 5: Solve for x
    x = 375,464,814,904.60/724,732.09
  6. Step 6: Final answer
    x = 518,073.95

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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.