Home / 479,442.12-719,241.21-179,946.24

Finding the Fourth Proportional to 479,442.12, 719,241.21 and 179,946.24

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Solution

The fourth proportional to 479,442.12, 719,241.21 and 179,946.24 is: 269,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,442.12 : 719,241.21 = 179,946.24 : x
  2. Step 2: Convert to fraction form
    479,442.12/719,241.21 = 179,946.24/x
  3. Step 3: Cross multiply
    479,442.12x = 719,241.21 × 179,946.24
  4. Step 4: Simplify right side
    479,442.12x = 129,424,751,392.55
  5. Step 5: Solve for x
    x = 129,424,751,392.55/479,442.12
  6. Step 6: Final answer
    x = 269,948.65

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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.