Home / 447,467.31-617,733.41-345,263.13

Finding the Fourth Proportional to 447,467.31, 617,733.41 and 345,263.13

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Solution

The fourth proportional to 447,467.31, 617,733.41 and 345,263.13 is: 476,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,467.31 : 617,733.41 = 345,263.13 : x
  2. Step 2: Convert to fraction form
    447,467.31/617,733.41 = 345,263.13/x
  3. Step 3: Cross multiply
    447,467.31x = 617,733.41 × 345,263.13
  4. Step 4: Simplify right side
    447,467.31x = 213,280,568,915.86
  5. Step 5: Solve for x
    x = 213,280,568,915.86/447,467.31
  6. Step 6: Final answer
    x = 476,639.44

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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.