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Finding the Fourth Proportional to 404,873.74, 607,679.16 and 215,493.11

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Solution

The fourth proportional to 404,873.74, 607,679.16 and 215,493.11 is: 323,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,873.74 : 607,679.16 = 215,493.11 : x
  2. Step 2: Convert to fraction form
    404,873.74/607,679.16 = 215,493.11/x
  3. Step 3: Cross multiply
    404,873.74x = 607,679.16 × 215,493.11
  4. Step 4: Simplify right side
    404,873.74x = 130,950,667,954.73
  5. Step 5: Solve for x
    x = 130,950,667,954.73/404,873.74
  6. Step 6: Final answer
    x = 323,435.82

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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.