Home / 751,627.47-1,127,321.14-219,024.18

Finding the Fourth Proportional to 751,627.47, 1,127,321.14 and 219,024.18

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Solution

The fourth proportional to 751,627.47, 1,127,321.14 and 219,024.18 is: 328,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,627.47 : 1,127,321.14 = 219,024.18 : x
  2. Step 2: Convert to fraction form
    751,627.47/1,127,321.14 = 219,024.18/x
  3. Step 3: Cross multiply
    751,627.47x = 1,127,321.14 × 219,024.18
  4. Step 4: Simplify right side
    751,627.47x = 246,910,588,285.17
  5. Step 5: Solve for x
    x = 246,910,588,285.17/751,627.47
  6. Step 6: Final answer
    x = 328,501.28

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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.