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Finding the Fourth Proportional to 617,548.20, 926,322.30 and 301,842.60

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Solution

The fourth proportional to 617,548.20, 926,322.30 and 301,842.60 is: 452,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,548.20 : 926,322.30 = 301,842.60 : x
  2. Step 2: Convert to fraction form
    617,548.20/926,322.30 = 301,842.60/x
  3. Step 3: Cross multiply
    617,548.20x = 926,322.30 × 301,842.60
  4. Step 4: Simplify right side
    617,548.20x = 279,603,531,469.98
  5. Step 5: Solve for x
    x = 279,603,531,469.98/617,548.20
  6. Step 6: Final answer
    x = 452,763.90

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Similar ratio
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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.