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Finding the Fourth Proportional to 607,327.92, 911,544.57 and 323,256.87

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Solution

The fourth proportional to 607,327.92, 911,544.57 and 323,256.87 is: 485,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,327.92 : 911,544.57 = 323,256.87 : x
  2. Step 2: Convert to fraction form
    607,327.92/911,544.57 = 323,256.87/x
  3. Step 3: Cross multiply
    607,327.92x = 911,544.57 × 323,256.87
  4. Step 4: Simplify right side
    607,327.92x = 294,663,044,563.70
  5. Step 5: Solve for x
    x = 294,663,044,563.70/607,327.92
  6. Step 6: Final answer
    x = 485,179.48

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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.