Home / 824,455.20-1,234,933.20-684,487.20

Finding the Fourth Proportional to 824,455.20, 1,234,933.20 and 684,487.20

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Solution

The fourth proportional to 824,455.20, 1,234,933.20 and 684,487.20 is: 1,025,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,455.20 : 1,234,933.20 = 684,487.20 : x
  2. Step 2: Convert to fraction form
    824,455.20/1,234,933.20 = 684,487.20/x
  3. Step 3: Cross multiply
    824,455.20x = 1,234,933.20 × 684,487.20
  4. Step 4: Simplify right side
    824,455.20x = 845,295,968,255.04
  5. Step 5: Solve for x
    x = 845,295,968,255.04/824,455.20
  6. Step 6: Final answer
    x = 1,025,278.23

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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.