Home / 876,491.13-1,209,533.22-494,553.45

Finding the Fourth Proportional to 876,491.13, 1,209,533.22 and 494,553.45

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Solution

The fourth proportional to 876,491.13, 1,209,533.22 and 494,553.45 is: 682,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,491.13 : 1,209,533.22 = 494,553.45 : x
  2. Step 2: Convert to fraction form
    876,491.13/1,209,533.22 = 494,553.45/x
  3. Step 3: Cross multiply
    876,491.13x = 1,209,533.22 × 494,553.45
  4. Step 4: Simplify right side
    876,491.13x = 598,178,826,840.61
  5. Step 5: Solve for x
    x = 598,178,826,840.61/876,491.13
  6. Step 6: Final answer
    x = 682,469.91

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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.