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Finding the Fourth Proportional to 753,805, 1,040,250.90 and 414,295.12

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Solution

The fourth proportional to 753,805, 1,040,250.90 and 414,295.12 is: 571,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,805 : 1,040,250.90 = 414,295.12 : x
  2. Step 2: Convert to fraction form
    753,805/1,040,250.90 = 414,295.12/x
  3. Step 3: Cross multiply
    753,805x = 1,040,250.90 × 414,295.12
  4. Step 4: Simplify right side
    753,805x = 430,970,871,445.61
  5. Step 5: Solve for x
    x = 430,970,871,445.61/753,805
  6. Step 6: Final answer
    x = 571,727.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.