Home / 919,049.60-1,377,019.20-444,713.60

Finding the Fourth Proportional to 919,049.60, 1,377,019.20 and 444,713.60

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Solution

The fourth proportional to 919,049.60, 1,377,019.20 and 444,713.60 is: 666,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,049.60 : 1,377,019.20 = 444,713.60 : x
  2. Step 2: Convert to fraction form
    919,049.60/1,377,019.20 = 444,713.60/x
  3. Step 3: Cross multiply
    919,049.60x = 1,377,019.20 × 444,713.60
  4. Step 4: Simplify right side
    919,049.60x = 612,379,165,701.12
  5. Step 5: Solve for x
    x = 612,379,165,701.12/919,049.60
  6. Step 6: Final answer
    x = 666,317.86

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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.