Home / 727,165.35-1,090,057.91-253,723.59

Finding the Fourth Proportional to 727,165.35, 1,090,057.91 and 253,723.59

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Solution

The fourth proportional to 727,165.35, 1,090,057.91 and 253,723.59 is: 380,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,165.35 : 1,090,057.91 = 253,723.59 : x
  2. Step 2: Convert to fraction form
    727,165.35/1,090,057.91 = 253,723.59/x
  3. Step 3: Cross multiply
    727,165.35x = 1,090,057.91 × 253,723.59
  4. Step 4: Simplify right side
    727,165.35x = 276,573,404,964.48
  5. Step 5: Solve for x
    x = 276,573,404,964.48/727,165.35
  6. Step 6: Final answer
    x = 380,344.59

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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.