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Finding the Fourth Proportional to 447,627.44, 617,689.32 and 246,423.44

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Solution

The fourth proportional to 447,627.44, 617,689.32 and 246,423.44 is: 340,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,627.44 : 617,689.32 = 246,423.44 : x
  2. Step 2: Convert to fraction form
    447,627.44/617,689.32 = 246,423.44/x
  3. Step 3: Cross multiply
    447,627.44x = 617,689.32 × 246,423.44
  4. Step 4: Simplify right side
    447,627.44x = 152,213,127,085.66
  5. Step 5: Solve for x
    x = 152,213,127,085.66/447,627.44
  6. Step 6: Final answer
    x = 340,044.23

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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.