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Finding the Fourth Proportional to 633,092.86, 873,668.18 and 346,612.97

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Solution

The fourth proportional to 633,092.86, 873,668.18 and 346,612.97 is: 478,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,092.86 : 873,668.18 = 346,612.97 : x
  2. Step 2: Convert to fraction form
    633,092.86/873,668.18 = 346,612.97/x
  3. Step 3: Cross multiply
    633,092.86x = 873,668.18 × 346,612.97
  4. Step 4: Simplify right side
    633,092.86x = 302,824,723,765.30
  5. Step 5: Solve for x
    x = 302,824,723,765.30/633,092.86
  6. Step 6: Final answer
    x = 478,325.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.