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Finding the Fourth Proportional to 649,203.27, 895,871.72 and 362,717.21

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Solution

The fourth proportional to 649,203.27, 895,871.72 and 362,717.21 is: 500,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,203.27 : 895,871.72 = 362,717.21 : x
  2. Step 2: Convert to fraction form
    649,203.27/895,871.72 = 362,717.21/x
  3. Step 3: Cross multiply
    649,203.27x = 895,871.72 × 362,717.21
  4. Step 4: Simplify right side
    649,203.27x = 324,948,084,503.36
  5. Step 5: Solve for x
    x = 324,948,084,503.36/649,203.27
  6. Step 6: Final answer
    x = 500,533.65

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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.