Home / 876,491.63-1,209,533.91-494,553.95

Finding the Fourth Proportional to 876,491.63, 1,209,533.91 and 494,553.95

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Solution

The fourth proportional to 876,491.63, 1,209,533.91 and 494,553.95 is: 682,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,491.63 : 1,209,533.91 = 494,553.95 : x
  2. Step 2: Convert to fraction form
    876,491.63/1,209,533.91 = 494,553.95/x
  3. Step 3: Cross multiply
    876,491.63x = 1,209,533.91 × 494,553.95
  4. Step 4: Simplify right side
    876,491.63x = 598,179,772,849.45
  5. Step 5: Solve for x
    x = 598,179,772,849.45/876,491.63
  6. Step 6: Final answer
    x = 682,470.60

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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.