Home / 996,643.20-1,493,944.20-490,425.60

Finding the Fourth Proportional to 996,643.20, 1,493,944.20 and 490,425.60

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Solution

The fourth proportional to 996,643.20, 1,493,944.20 and 490,425.60 is: 735,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,643.20 : 1,493,944.20 = 490,425.60 : x
  2. Step 2: Convert to fraction form
    996,643.20/1,493,944.20 = 490,425.60/x
  3. Step 3: Cross multiply
    996,643.20x = 1,493,944.20 × 490,425.60
  4. Step 4: Simplify right side
    996,643.20x = 732,668,480,651.52
  5. Step 5: Solve for x
    x = 732,668,480,651.52/996,643.20
  6. Step 6: Final answer
    x = 735,136.19

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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.