Home / 479,656.43-719,359.35-142,606.32

Finding the Fourth Proportional to 479,656.43, 719,359.35 and 142,606.32

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Solution

The fourth proportional to 479,656.43, 719,359.35 and 142,606.32 is: 213,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,656.43 : 719,359.35 = 142,606.32 : x
  2. Step 2: Convert to fraction form
    479,656.43/719,359.35 = 142,606.32/x
  3. Step 3: Cross multiply
    479,656.43x = 719,359.35 × 142,606.32
  4. Step 4: Simplify right side
    479,656.43x = 102,585,189,661.09
  5. Step 5: Solve for x
    x = 102,585,189,661.09/479,656.43
  6. Step 6: Final answer
    x = 213,872.23

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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.