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Finding the Fourth Proportional to 551,630.70, 827,008.65 and 302,312.70

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Solution

The fourth proportional to 551,630.70, 827,008.65 and 302,312.70 is: 453,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,630.70 : 827,008.65 = 302,312.70 : x
  2. Step 2: Convert to fraction form
    551,630.70/827,008.65 = 302,312.70/x
  3. Step 3: Cross multiply
    551,630.70x = 827,008.65 × 302,312.70
  4. Step 4: Simplify right side
    551,630.70x = 250,015,217,904.86
  5. Step 5: Solve for x
    x = 250,015,217,904.86/551,630.70
  6. Step 6: Final answer
    x = 453,229.34

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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.