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Finding the Fourth Proportional to 445,396.59, 667,307.57 and 295,280.91

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Solution

The fourth proportional to 445,396.59, 667,307.57 and 295,280.91 is: 442,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,396.59 : 667,307.57 = 295,280.91 : x
  2. Step 2: Convert to fraction form
    445,396.59/667,307.57 = 295,280.91/x
  3. Step 3: Cross multiply
    445,396.59x = 667,307.57 × 295,280.91
  4. Step 4: Simplify right side
    445,396.59x = 197,043,185,043.08
  5. Step 5: Solve for x
    x = 197,043,185,043.08/445,396.59
  6. Step 6: Final answer
    x = 442,399.40

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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.