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Finding the Fourth Proportional to 511,075.20, 766,612.80 and 244,698.60

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Solution

The fourth proportional to 511,075.20, 766,612.80 and 244,698.60 is: 367,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,075.20 : 766,612.80 = 244,698.60 : x
  2. Step 2: Convert to fraction form
    511,075.20/766,612.80 = 244,698.60/x
  3. Step 3: Cross multiply
    511,075.20x = 766,612.80 × 244,698.60
  4. Step 4: Simplify right side
    511,075.20x = 187,589,078,902.08
  5. Step 5: Solve for x
    x = 187,589,078,902.08/511,075.20
  6. Step 6: Final answer
    x = 367,047.90

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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.