Home / 753,882.46-1,040,365.84-409,718.40

Finding the Fourth Proportional to 753,882.46, 1,040,365.84 and 409,718.40

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Solution

The fourth proportional to 753,882.46, 1,040,365.84 and 409,718.40 is: 565,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,882.46 : 1,040,365.84 = 409,718.40 : x
  2. Step 2: Convert to fraction form
    753,882.46/1,040,365.84 = 409,718.40/x
  3. Step 3: Cross multiply
    753,882.46x = 1,040,365.84 × 409,718.40
  4. Step 4: Simplify right side
    753,882.46x = 426,257,029,074.07
  5. Step 5: Solve for x
    x = 426,257,029,074.07/753,882.46
  6. Step 6: Final answer
    x = 565,415.77

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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.