Home / 919,552.90-1,379,329.35-254,704.90

Finding the Fourth Proportional to 919,552.90, 1,379,329.35 and 254,704.90

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Solution

The fourth proportional to 919,552.90, 1,379,329.35 and 254,704.90 is: 382,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,552.90 : 1,379,329.35 = 254,704.90 : x
  2. Step 2: Convert to fraction form
    919,552.90/1,379,329.35 = 254,704.90/x
  3. Step 3: Cross multiply
    919,552.90x = 1,379,329.35 × 254,704.90
  4. Step 4: Simplify right side
    919,552.90x = 351,321,944,158.82
  5. Step 5: Solve for x
    x = 351,321,944,158.82/919,552.90
  6. Step 6: Final answer
    x = 382,057.35

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Double scale
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Similar ratio
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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.