Home / 479,858.07-719,942.57-142,901.52

Finding the Fourth Proportional to 479,858.07, 719,942.57 and 142,901.52

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Solution

The fourth proportional to 479,858.07, 719,942.57 and 142,901.52 is: 214,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,858.07 : 719,942.57 = 142,901.52 : x
  2. Step 2: Convert to fraction form
    479,858.07/719,942.57 = 142,901.52/x
  3. Step 3: Cross multiply
    479,858.07x = 719,942.57 × 142,901.52
  4. Step 4: Simplify right side
    479,858.07x = 102,880,886,851.20
  5. Step 5: Solve for x
    x = 102,880,886,851.20/479,858.07
  6. Step 6: Final answer
    x = 214,398.58

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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.