Home / 867,273.92-1,299,989.28-417,714.56

Finding the Fourth Proportional to 867,273.92, 1,299,989.28 and 417,714.56

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Solution

The fourth proportional to 867,273.92, 1,299,989.28 and 417,714.56 is: 626,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,273.92 : 1,299,989.28 = 417,714.56 : x
  2. Step 2: Convert to fraction form
    867,273.92/1,299,989.28 = 417,714.56/x
  3. Step 3: Cross multiply
    867,273.92x = 1,299,989.28 × 417,714.56
  4. Step 4: Simplify right side
    867,273.92x = 543,024,450,099.92
  5. Step 5: Solve for x
    x = 543,024,450,099.92/867,273.92
  6. Step 6: Final answer
    x = 626,127.96

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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.