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Finding the Fourth Proportional to 727,001, 1,090,600.86 and 253,615.40

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Solution

The fourth proportional to 727,001, 1,090,600.86 and 253,615.40 is: 380,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,001 : 1,090,600.86 = 253,615.40 : x
  2. Step 2: Convert to fraction form
    727,001/1,090,600.86 = 253,615.40/x
  3. Step 3: Cross multiply
    727,001x = 1,090,600.86 × 253,615.40
  4. Step 4: Simplify right side
    727,001x = 276,593,173,349.24
  5. Step 5: Solve for x
    x = 276,593,173,349.24/727,001
  6. Step 6: Final answer
    x = 380,457.76

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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.