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Finding the Fourth Proportional to 601,327.80, 901,991.70 and 512,754.30

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Solution

The fourth proportional to 601,327.80, 901,991.70 and 512,754.30 is: 769,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,327.80 : 901,991.70 = 512,754.30 : x
  2. Step 2: Convert to fraction form
    601,327.80/901,991.70 = 512,754.30/x
  3. Step 3: Cross multiply
    601,327.80x = 901,991.70 × 512,754.30
  4. Step 4: Simplify right side
    601,327.80x = 462,500,122,739.31
  5. Step 5: Solve for x
    x = 462,500,122,739.31/601,327.80
  6. Step 6: Final answer
    x = 769,131.45

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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.