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Finding the Fourth Proportional to 452,519, 623,964.44 and 288,960.44

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Solution

The fourth proportional to 452,519, 623,964.44 and 288,960.44 is: 398,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,519 : 623,964.44 = 288,960.44 : x
  2. Step 2: Convert to fraction form
    452,519/623,964.44 = 288,960.44/x
  3. Step 3: Cross multiply
    452,519x = 623,964.44 × 288,960.44
  4. Step 4: Simplify right side
    452,519x = 180,301,039,126.75
  5. Step 5: Solve for x
    x = 180,301,039,126.75/452,519
  6. Step 6: Final answer
    x = 398,438.61

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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.