Home / 479,664.47-719,371.35-142,614.36

Finding the Fourth Proportional to 479,664.47, 719,371.35 and 142,614.36

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Solution

The fourth proportional to 479,664.47, 719,371.35 and 142,614.36 is: 213,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,664.47 : 719,371.35 = 142,614.36 : x
  2. Step 2: Convert to fraction form
    479,664.47/719,371.35 = 142,614.36/x
  3. Step 3: Cross multiply
    479,664.47x = 719,371.35 × 142,614.36
  4. Step 4: Simplify right side
    479,664.47x = 102,592,684,682.59
  5. Step 5: Solve for x
    x = 102,592,684,682.59/479,664.47
  6. Step 6: Final answer
    x = 213,884.27

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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.