Home / 756,817.43-1,135,201.53-307,405.33

Finding the Fourth Proportional to 756,817.43, 1,135,201.53 and 307,405.33

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Solution

The fourth proportional to 756,817.43, 1,135,201.53 and 307,405.33 is: 461,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,817.43 : 1,135,201.53 = 307,405.33 : x
  2. Step 2: Convert to fraction form
    756,817.43/1,135,201.53 = 307,405.33/x
  3. Step 3: Cross multiply
    756,817.43x = 1,135,201.53 × 307,405.33
  4. Step 4: Simplify right side
    756,817.43x = 348,966,999,260.92
  5. Step 5: Solve for x
    x = 348,966,999,260.92/756,817.43
  6. Step 6: Final answer
    x = 461,098.00

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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.