Home / 870,963.28-1,305,936.44-337,861.38

Finding the Fourth Proportional to 870,963.28, 1,305,936.44 and 337,861.38

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Solution

The fourth proportional to 870,963.28, 1,305,936.44 and 337,861.38 is: 506,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,963.28 : 1,305,936.44 = 337,861.38 : x
  2. Step 2: Convert to fraction form
    870,963.28/1,305,936.44 = 337,861.38/x
  3. Step 3: Cross multiply
    870,963.28x = 1,305,936.44 × 337,861.38
  4. Step 4: Simplify right side
    870,963.28x = 441,225,487,810.69
  5. Step 5: Solve for x
    x = 441,225,487,810.69/870,963.28
  6. Step 6: Final answer
    x = 506,594.82

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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.