Home / 1,022,500.80-1,532,599.20-490,276.80

Finding the Fourth Proportional to 1,022,500.80, 1,532,599.20 and 490,276.80

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Solution

The fourth proportional to 1,022,500.80, 1,532,599.20 and 490,276.80 is: 734,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,500.80 : 1,532,599.20 = 490,276.80 : x
  2. Step 2: Convert to fraction form
    1,022,500.80/1,532,599.20 = 490,276.80/x
  3. Step 3: Cross multiply
    1,022,500.80x = 1,532,599.20 × 490,276.80
  4. Step 4: Simplify right side
    1,022,500.80x = 751,397,831,458.56
  5. Step 5: Solve for x
    x = 751,397,831,458.56/1,022,500.80
  6. Step 6: Final answer
    x = 734,862.83

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1.5x scale

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.