Home / 863,491.28-1,191,625.72-476,321.52

Finding the Fourth Proportional to 863,491.28, 1,191,625.72 and 476,321.52

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Solution

The fourth proportional to 863,491.28, 1,191,625.72 and 476,321.52 is: 657,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,491.28 : 1,191,625.72 = 476,321.52 : x
  2. Step 2: Convert to fraction form
    863,491.28/1,191,625.72 = 476,321.52/x
  3. Step 3: Cross multiply
    863,491.28x = 1,191,625.72 × 476,321.52
  4. Step 4: Simplify right side
    863,491.28x = 567,596,974,221.49
  5. Step 5: Solve for x
    x = 567,596,974,221.49/863,491.28
  6. Step 6: Final answer
    x = 657,327.97

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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.