Home / 685,792.31-1,028,313.46-544,544.91

Finding the Fourth Proportional to 685,792.31, 1,028,313.46 and 544,544.91

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Solution

The fourth proportional to 685,792.31, 1,028,313.46 and 544,544.91 is: 816,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,792.31 : 1,028,313.46 = 544,544.91 : x
  2. Step 2: Convert to fraction form
    685,792.31/1,028,313.46 = 544,544.91/x
  3. Step 3: Cross multiply
    685,792.31x = 1,028,313.46 × 544,544.91
  4. Step 4: Simplify right side
    685,792.31x = 559,962,861,208.17
  5. Step 5: Solve for x
    x = 559,962,861,208.17/685,792.31
  6. Step 6: Final answer
    x = 816,519.60

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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.