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Finding the Fourth Proportional to 600,250.15, 828,456.02 and 385,658.47

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Solution

The fourth proportional to 600,250.15, 828,456.02 and 385,658.47 is: 532,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,250.15 : 828,456.02 = 385,658.47 : x
  2. Step 2: Convert to fraction form
    600,250.15/828,456.02 = 385,658.47/x
  3. Step 3: Cross multiply
    600,250.15x = 828,456.02 × 385,658.47
  4. Step 4: Simplify right side
    600,250.15x = 319,501,081,135.49
  5. Step 5: Solve for x
    x = 319,501,081,135.49/600,250.15
  6. Step 6: Final answer
    x = 532,279.89

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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.