Home / 753,811.16-1,040,269.52-409,653.90

Finding the Fourth Proportional to 753,811.16, 1,040,269.52 and 409,653.90

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Solution

The fourth proportional to 753,811.16, 1,040,269.52 and 409,653.90 is: 565,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,811.16 : 1,040,269.52 = 409,653.90 : x
  2. Step 2: Convert to fraction form
    753,811.16/1,040,269.52 = 409,653.90/x
  3. Step 3: Cross multiply
    753,811.16x = 1,040,269.52 × 409,653.90
  4. Step 4: Simplify right side
    753,811.16x = 426,150,466,943.26
  5. Step 5: Solve for x
    x = 426,150,466,943.26/753,811.16
  6. Step 6: Final answer
    x = 565,327.89

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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.