Home / 753,895.16-1,040,382.21-409,731.98

Finding the Fourth Proportional to 753,895.16, 1,040,382.21 and 409,731.98

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Solution

The fourth proportional to 753,895.16, 1,040,382.21 and 409,731.98 is: 565,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,895.16 : 1,040,382.21 = 409,731.98 : x
  2. Step 2: Convert to fraction form
    753,895.16/1,040,382.21 = 409,731.98/x
  3. Step 3: Cross multiply
    753,895.16x = 1,040,382.21 × 409,731.98
  4. Step 4: Simplify right side
    753,895.16x = 426,277,857,658.17
  5. Step 5: Solve for x
    x = 426,277,857,658.17/753,895.16
  6. Step 6: Final answer
    x = 565,433.87

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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.