Home / 547,274.05-820,911.08-494,129.95

Finding the Fourth Proportional to 547,274.05, 820,911.08 and 494,129.95

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Solution

The fourth proportional to 547,274.05, 820,911.08 and 494,129.95 is: 741,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,274.05 : 820,911.08 = 494,129.95 : x
  2. Step 2: Convert to fraction form
    547,274.05/820,911.08 = 494,129.95/x
  3. Step 3: Cross multiply
    547,274.05x = 820,911.08 × 494,129.95
  4. Step 4: Simplify right side
    547,274.05x = 405,636,748,444.20
  5. Step 5: Solve for x
    x = 405,636,748,444.20/547,274.05
  6. Step 6: Final answer
    x = 741,194.93

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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.