Home / 756,090.40-1,134,243.60-223,542.40

Finding the Fourth Proportional to 756,090.40, 1,134,243.60 and 223,542.40

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Solution

The fourth proportional to 756,090.40, 1,134,243.60 and 223,542.40 is: 335,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,090.40 : 1,134,243.60 = 223,542.40 : x
  2. Step 2: Convert to fraction form
    756,090.40/1,134,243.60 = 223,542.40/x
  3. Step 3: Cross multiply
    756,090.40x = 1,134,243.60 × 223,542.40
  4. Step 4: Simplify right side
    756,090.40x = 253,551,536,528.64
  5. Step 5: Solve for x
    x = 253,551,536,528.64/756,090.40
  6. Step 6: Final answer
    x = 335,345.53

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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.