Home / 751,428.29-1,124,481.74-467,252.66

Finding the Fourth Proportional to 751,428.29, 1,124,481.74 and 467,252.66

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Solution

The fourth proportional to 751,428.29, 1,124,481.74 and 467,252.66 is: 699,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,428.29 : 1,124,481.74 = 467,252.66 : x
  2. Step 2: Convert to fraction form
    751,428.29/1,124,481.74 = 467,252.66/x
  3. Step 3: Cross multiply
    751,428.29x = 1,124,481.74 × 467,252.66
  4. Step 4: Simplify right side
    751,428.29x = 525,417,076,177.76
  5. Step 5: Solve for x
    x = 525,417,076,177.76/751,428.29
  6. Step 6: Final answer
    x = 699,224.51

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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.