Home / 808,799.82-1,116,136.53-446,226.90

Finding the Fourth Proportional to 808,799.82, 1,116,136.53 and 446,226.90

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Solution

The fourth proportional to 808,799.82, 1,116,136.53 and 446,226.90 is: 615,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,799.82 : 1,116,136.53 = 446,226.90 : x
  2. Step 2: Convert to fraction form
    808,799.82/1,116,136.53 = 446,226.90/x
  3. Step 3: Cross multiply
    808,799.82x = 1,116,136.53 × 446,226.90
  4. Step 4: Simplify right side
    808,799.82x = 498,050,143,758.66
  5. Step 5: Solve for x
    x = 498,050,143,758.66/808,799.82
  6. Step 6: Final answer
    x = 615,789.14

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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.