Home / 648,223.80-971,990.10-273,823.80

Finding the Fourth Proportional to 648,223.80, 971,990.10 and 273,823.80

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Solution

The fourth proportional to 648,223.80, 971,990.10 and 273,823.80 is: 410,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,223.80 : 971,990.10 = 273,823.80 : x
  2. Step 2: Convert to fraction form
    648,223.80/971,990.10 = 273,823.80/x
  3. Step 3: Cross multiply
    648,223.80x = 971,990.10 × 273,823.80
  4. Step 4: Simplify right side
    648,223.80x = 266,154,022,744.38
  5. Step 5: Solve for x
    x = 266,154,022,744.38/648,223.80
  6. Step 6: Final answer
    x = 410,589.71

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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.