Home / 871,640.94-1,202,855.97-484,457.21

Finding the Fourth Proportional to 871,640.94, 1,202,855.97 and 484,457.21

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Solution

The fourth proportional to 871,640.94, 1,202,855.97 and 484,457.21 is: 668,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,640.94 : 1,202,855.97 = 484,457.21 : x
  2. Step 2: Convert to fraction form
    871,640.94/1,202,855.97 = 484,457.21/x
  3. Step 3: Cross multiply
    871,640.94x = 1,202,855.97 × 484,457.21
  4. Step 4: Simplify right side
    871,640.94x = 582,732,241,243.76
  5. Step 5: Solve for x
    x = 582,732,241,243.76/871,640.94
  6. Step 6: Final answer
    x = 668,546.20

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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.