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Finding the Fourth Proportional to 546,520, 818,234.28 and 289,767.64

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Solution

The fourth proportional to 546,520, 818,234.28 and 289,767.64 is: 433,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,520 : 818,234.28 = 289,767.64 : x
  2. Step 2: Convert to fraction form
    546,520/818,234.28 = 289,767.64/x
  3. Step 3: Cross multiply
    546,520x = 818,234.28 × 289,767.64
  4. Step 4: Simplify right side
    546,520x = 237,097,816,282.70
  5. Step 5: Solve for x
    x = 237,097,816,282.70/546,520
  6. Step 6: Final answer
    x = 433,831.91

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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.