Home / 980,611.28-1,469,588.16-507,628.72

Finding the Fourth Proportional to 980,611.28, 1,469,588.16 and 507,628.72

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Solution

The fourth proportional to 980,611.28, 1,469,588.16 and 507,628.72 is: 760,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,611.28 : 1,469,588.16 = 507,628.72 : x
  2. Step 2: Convert to fraction form
    980,611.28/1,469,588.16 = 507,628.72/x
  3. Step 3: Cross multiply
    980,611.28x = 1,469,588.16 × 507,628.72
  4. Step 4: Simplify right side
    980,611.28x = 746,005,156,587.96
  5. Step 5: Solve for x
    x = 746,005,156,587.96/980,611.28
  6. Step 6: Final answer
    x = 760,755.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.