Home / 534,736.78-802,497.21-430,810.54

Finding the Fourth Proportional to 534,736.78, 802,497.21 and 430,810.54

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Solution

The fourth proportional to 534,736.78, 802,497.21 and 430,810.54 is: 646,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,736.78 : 802,497.21 = 430,810.54 : x
  2. Step 2: Convert to fraction form
    534,736.78/802,497.21 = 430,810.54/x
  3. Step 3: Cross multiply
    534,736.78x = 802,497.21 × 430,810.54
  4. Step 4: Simplify right side
    534,736.78x = 345,724,256,388.59
  5. Step 5: Solve for x
    x = 345,724,256,388.59/534,736.78
  6. Step 6: Final answer
    x = 646,531.66

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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.