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Finding the Fourth Proportional to 657,113.80, 985,522 and 301,786.24

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Solution

The fourth proportional to 657,113.80, 985,522 and 301,786.24 is: 452,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,113.80 : 985,522 = 301,786.24 : x
  2. Step 2: Convert to fraction form
    657,113.80/985,522 = 301,786.24/x
  3. Step 3: Cross multiply
    657,113.80x = 985,522 × 301,786.24
  4. Step 4: Simplify right side
    657,113.80x = 297,416,978,817.28
  5. Step 5: Solve for x
    x = 297,416,978,817.28/657,113.80
  6. Step 6: Final answer
    x = 452,611.07

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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.