Home / 805,161.28-1,111,124.87-461,002.49

Finding the Fourth Proportional to 805,161.28, 1,111,124.87 and 461,002.49

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Solution

The fourth proportional to 805,161.28, 1,111,124.87 and 461,002.49 is: 636,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,161.28 : 1,111,124.87 = 461,002.49 : x
  2. Step 2: Convert to fraction form
    805,161.28/1,111,124.87 = 461,002.49/x
  3. Step 3: Cross multiply
    805,161.28x = 1,111,124.87 × 461,002.49
  4. Step 4: Simplify right side
    805,161.28x = 512,231,327,181.49
  5. Step 5: Solve for x
    x = 512,231,327,181.49/805,161.28
  6. Step 6: Final answer
    x = 636,184.75

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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.