Home / 920,120.03-1,379,060.96-492,605.27

Finding the Fourth Proportional to 920,120.03, 1,379,060.96 and 492,605.27

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Solution

The fourth proportional to 920,120.03, 1,379,060.96 and 492,605.27 is: 738,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,120.03 : 1,379,060.96 = 492,605.27 : x
  2. Step 2: Convert to fraction form
    920,120.03/1,379,060.96 = 492,605.27/x
  3. Step 3: Cross multiply
    920,120.03x = 1,379,060.96 × 492,605.27
  4. Step 4: Simplify right side
    920,120.03x = 679,332,701,226.43
  5. Step 5: Solve for x
    x = 679,332,701,226.43/920,120.03
  6. Step 6: Final answer
    x = 738,308.78

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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.