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Finding the Fourth Proportional to 546,760.20, 820,140.30 and 377,923.80

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Solution

The fourth proportional to 546,760.20, 820,140.30 and 377,923.80 is: 566,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,760.20 : 820,140.30 = 377,923.80 : x
  2. Step 2: Convert to fraction form
    546,760.20/820,140.30 = 377,923.80/x
  3. Step 3: Cross multiply
    546,760.20x = 820,140.30 × 377,923.80
  4. Step 4: Simplify right side
    546,760.20x = 309,950,538,709.14
  5. Step 5: Solve for x
    x = 309,950,538,709.14/546,760.20
  6. Step 6: Final answer
    x = 566,885.70

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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.