Home / 876,568.32-1,209,738.24-494,611.20

Finding the Fourth Proportional to 876,568.32, 1,209,738.24 and 494,611.20

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Solution

The fourth proportional to 876,568.32, 1,209,738.24 and 494,611.20 is: 682,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,568.32 : 1,209,738.24 = 494,611.20 : x
  2. Step 2: Convert to fraction form
    876,568.32/1,209,738.24 = 494,611.20/x
  3. Step 3: Cross multiply
    876,568.32x = 1,209,738.24 × 494,611.20
  4. Step 4: Simplify right side
    876,568.32x = 598,350,082,572.29
  5. Step 5: Solve for x
    x = 598,350,082,572.29/876,568.32
  6. Step 6: Final answer
    x = 682,605.19

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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.