Home / 753,892.67-1,040,379.96-409,728.59

Finding the Fourth Proportional to 753,892.67, 1,040,379.96 and 409,728.59

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Solution

The fourth proportional to 753,892.67, 1,040,379.96 and 409,728.59 is: 565,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,892.67 : 1,040,379.96 = 409,728.59 : x
  2. Step 2: Convert to fraction form
    753,892.67/1,040,379.96 = 409,728.59/x
  3. Step 3: Cross multiply
    753,892.67x = 1,040,379.96 × 409,728.59
  4. Step 4: Simplify right side
    753,892.67x = 426,273,414,075.06
  5. Step 5: Solve for x
    x = 426,273,414,075.06/753,892.67
  6. Step 6: Final answer
    x = 565,429.84

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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.