Home / 876,908.72-1,210,076.88-494,883.56

Finding the Fourth Proportional to 876,908.72, 1,210,076.88 and 494,883.56

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Solution

The fourth proportional to 876,908.72, 1,210,076.88 and 494,883.56 is: 682,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,908.72 : 1,210,076.88 = 494,883.56 : x
  2. Step 2: Convert to fraction form
    876,908.72/1,210,076.88 = 494,883.56/x
  3. Step 3: Cross multiply
    876,908.72x = 1,210,076.88 × 494,883.56
  4. Step 4: Simplify right side
    876,908.72x = 598,847,154,248.09
  5. Step 5: Solve for x
    x = 598,847,154,248.09/876,908.72
  6. Step 6: Final answer
    x = 682,907.06

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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.