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Finding the Fourth Proportional to 547,740.84, 820,933.02 and 310,363.86

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Solution

The fourth proportional to 547,740.84, 820,933.02 and 310,363.86 is: 465,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,740.84 : 820,933.02 = 310,363.86 : x
  2. Step 2: Convert to fraction form
    547,740.84/820,933.02 = 310,363.86/x
  3. Step 3: Cross multiply
    547,740.84x = 820,933.02 × 310,363.86
  4. Step 4: Simplify right side
    547,740.84x = 254,787,940,888.66
  5. Step 5: Solve for x
    x = 254,787,940,888.66/547,740.84
  6. Step 6: Final answer
    x = 465,161.48

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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.