Home / 479,729.56-719,597.08-199,246.81

Finding the Fourth Proportional to 479,729.56, 719,597.08 and 199,246.81

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Solution

The fourth proportional to 479,729.56, 719,597.08 and 199,246.81 is: 298,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,729.56 : 719,597.08 = 199,246.81 : x
  2. Step 2: Convert to fraction form
    479,729.56/719,597.08 = 199,246.81/x
  3. Step 3: Cross multiply
    479,729.56x = 719,597.08 × 199,246.81
  4. Step 4: Simplify right side
    479,729.56x = 143,377,422,675.32
  5. Step 5: Solve for x
    x = 143,377,422,675.32/479,729.56
  6. Step 6: Final answer
    x = 298,871.35

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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.