Home / 794,124.28-1,191,408.78-321,141.88

Finding the Fourth Proportional to 794,124.28, 1,191,408.78 and 321,141.88

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Solution

The fourth proportional to 794,124.28, 1,191,408.78 and 321,141.88 is: 481,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,124.28 : 1,191,408.78 = 321,141.88 : x
  2. Step 2: Convert to fraction form
    794,124.28/1,191,408.78 = 321,141.88/x
  3. Step 3: Cross multiply
    794,124.28x = 1,191,408.78 × 321,141.88
  4. Step 4: Simplify right side
    794,124.28x = 382,611,255,457.71
  5. Step 5: Solve for x
    x = 382,611,255,457.71/794,124.28
  6. Step 6: Final answer
    x = 481,802.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.