Home / 883,321.38-1,218,983.76-496,137.42

Finding the Fourth Proportional to 883,321.38, 1,218,983.76 and 496,137.42

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Solution

The fourth proportional to 883,321.38, 1,218,983.76 and 496,137.42 is: 684,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,321.38 : 1,218,983.76 = 496,137.42 : x
  2. Step 2: Convert to fraction form
    883,321.38/1,218,983.76 = 496,137.42/x
  3. Step 3: Cross multiply
    883,321.38x = 1,218,983.76 × 496,137.42
  4. Step 4: Simplify right side
    883,321.38x = 604,783,457,708.30
  5. Step 5: Solve for x
    x = 604,783,457,708.30/883,321.38
  6. Step 6: Final answer
    x = 684,669.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.