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Finding the Fourth Proportional to 607,357, 911,588.01 and 323,286.37

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Solution

The fourth proportional to 607,357, 911,588.01 and 323,286.37 is: 485,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,357 : 911,588.01 = 323,286.37 : x
  2. Step 2: Convert to fraction form
    607,357/911,588.01 = 323,286.37/x
  3. Step 3: Cross multiply
    607,357x = 911,588.01 × 323,286.37
  4. Step 4: Simplify right side
    607,357x = 294,703,978,688.42
  5. Step 5: Solve for x
    x = 294,703,978,688.42/607,357
  6. Step 6: Final answer
    x = 485,223.65

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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.