Home / 499,740.61-689,647.49-273,381.25

Finding the Fourth Proportional to 499,740.61, 689,647.49 and 273,381.25

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Solution

The fourth proportional to 499,740.61, 689,647.49 and 273,381.25 is: 377,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,740.61 : 689,647.49 = 273,381.25 : x
  2. Step 2: Convert to fraction form
    499,740.61/689,647.49 = 273,381.25/x
  3. Step 3: Cross multiply
    499,740.61x = 689,647.49 × 273,381.25
  4. Step 4: Simplify right side
    499,740.61x = 188,536,691,508.66
  5. Step 5: Solve for x
    x = 188,536,691,508.66/499,740.61
  6. Step 6: Final answer
    x = 377,269.10

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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.