Home / 494,741.60-742,114.16-120,764.56

Finding the Fourth Proportional to 494,741.60, 742,114.16 and 120,764.56

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Solution

The fourth proportional to 494,741.60, 742,114.16 and 120,764.56 is: 181,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,741.60 : 742,114.16 = 120,764.56 : x
  2. Step 2: Convert to fraction form
    494,741.60/742,114.16 = 120,764.56/x
  3. Step 3: Cross multiply
    494,741.60x = 742,114.16 × 120,764.56
  4. Step 4: Simplify right side
    494,741.60x = 89,621,090,002.17
  5. Step 5: Solve for x
    x = 89,621,090,002.17/494,741.60
  6. Step 6: Final answer
    x = 181,147.27

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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.