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Finding the Fourth Proportional to 551,801.70, 827,265.15 and 302,483.70

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Solution

The fourth proportional to 551,801.70, 827,265.15 and 302,483.70 is: 453,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,801.70 : 827,265.15 = 302,483.70 : x
  2. Step 2: Convert to fraction form
    551,801.70/827,265.15 = 302,483.70/x
  3. Step 3: Cross multiply
    551,801.70x = 827,265.15 × 302,483.70
  4. Step 4: Simplify right side
    551,801.70x = 250,234,223,453.06
  5. Step 5: Solve for x
    x = 250,234,223,453.06/551,801.70
  6. Step 6: Final answer
    x = 453,485.78

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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.