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Finding the Fourth Proportional to 606,970.20, 910,455.30 and 447,537.90

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Solution

The fourth proportional to 606,970.20, 910,455.30 and 447,537.90 is: 671,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,970.20 : 910,455.30 = 447,537.90 : x
  2. Step 2: Convert to fraction form
    606,970.20/910,455.30 = 447,537.90/x
  3. Step 3: Cross multiply
    606,970.20x = 910,455.30 × 447,537.90
  4. Step 4: Simplify right side
    606,970.20x = 407,463,253,005.87
  5. Step 5: Solve for x
    x = 407,463,253,005.87/606,970.20
  6. Step 6: Final answer
    x = 671,306.85

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Similar ratio
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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.