Home / 906,974.60-1,360,605.90-307,992.20

Finding the Fourth Proportional to 906,974.60, 1,360,605.90 and 307,992.20

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Solution

The fourth proportional to 906,974.60, 1,360,605.90 and 307,992.20 is: 462,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,974.60 : 1,360,605.90 = 307,992.20 : x
  2. Step 2: Convert to fraction form
    906,974.60/1,360,605.90 = 307,992.20/x
  3. Step 3: Cross multiply
    906,974.60x = 1,360,605.90 × 307,992.20
  4. Step 4: Simplify right side
    906,974.60x = 419,056,004,473.98
  5. Step 5: Solve for x
    x = 419,056,004,473.98/906,974.60
  6. Step 6: Final answer
    x = 462,037.20

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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.