Home / 479,776.73-719,665.07-142,822.22

Finding the Fourth Proportional to 479,776.73, 719,665.07 and 142,822.22

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Solution

The fourth proportional to 479,776.73, 719,665.07 and 142,822.22 is: 214,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,776.73 : 719,665.07 = 142,822.22 : x
  2. Step 2: Convert to fraction form
    479,776.73/719,665.07 = 142,822.22/x
  3. Step 3: Cross multiply
    479,776.73x = 719,665.07 × 142,822.22
  4. Step 4: Simplify right side
    479,776.73x = 102,784,158,641.42
  5. Step 5: Solve for x
    x = 102,784,158,641.42/479,776.73
  6. Step 6: Final answer
    x = 214,233.32

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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.