Home / 753,847.88-1,040,318.82-414,316.68

Finding the Fourth Proportional to 753,847.88, 1,040,318.82 and 414,316.68

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Solution

The fourth proportional to 753,847.88, 1,040,318.82 and 414,316.68 is: 571,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,847.88 : 1,040,318.82 = 414,316.68 : x
  2. Step 2: Convert to fraction form
    753,847.88/1,040,318.82 = 414,316.68/x
  3. Step 3: Cross multiply
    753,847.88x = 1,040,318.82 × 414,316.68
  4. Step 4: Simplify right side
    753,847.88x = 431,021,439,643.92
  5. Step 5: Solve for x
    x = 431,021,439,643.92/753,847.88
  6. Step 6: Final answer
    x = 571,761.83

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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.