Home / 753,953.59-1,040,466.48-409,789.41

Finding the Fourth Proportional to 753,953.59, 1,040,466.48 and 409,789.41

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Solution

The fourth proportional to 753,953.59, 1,040,466.48 and 409,789.41 is: 565,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,953.59 : 1,040,466.48 = 409,789.41 : x
  2. Step 2: Convert to fraction form
    753,953.59/1,040,466.48 = 409,789.41/x
  3. Step 3: Cross multiply
    753,953.59x = 1,040,466.48 × 409,789.41
  4. Step 4: Simplify right side
    753,953.59x = 426,372,147,683.21
  5. Step 5: Solve for x
    x = 426,372,147,683.21/753,953.59
  6. Step 6: Final answer
    x = 565,515.11

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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.