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Finding the Fourth Proportional to 509,065.08, 763,763.70 and 242,791.01

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Solution

The fourth proportional to 509,065.08, 763,763.70 and 242,791.01 is: 364,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,065.08 : 763,763.70 = 242,791.01 : x
  2. Step 2: Convert to fraction form
    509,065.08/763,763.70 = 242,791.01/x
  3. Step 3: Cross multiply
    509,065.08x = 763,763.70 × 242,791.01
  4. Step 4: Simplify right side
    509,065.08x = 185,434,960,124.34
  5. Step 5: Solve for x
    x = 185,434,960,124.34/509,065.08
  6. Step 6: Final answer
    x = 364,265.72

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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.