Home / 876,569.46-1,209,599.37-494,631.78

Finding the Fourth Proportional to 876,569.46, 1,209,599.37 and 494,631.78

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Solution

The fourth proportional to 876,569.46, 1,209,599.37 and 494,631.78 is: 682,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,569.46 : 1,209,599.37 = 494,631.78 : x
  2. Step 2: Convert to fraction form
    876,569.46/1,209,599.37 = 494,631.78/x
  3. Step 3: Cross multiply
    876,569.46x = 1,209,599.37 × 494,631.78
  4. Step 4: Simplify right side
    876,569.46x = 598,306,289,469.98
  5. Step 5: Solve for x
    x = 598,306,289,469.98/876,569.46
  6. Step 6: Final answer
    x = 682,554.34

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1.5x scale

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.