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Finding the Fourth Proportional to 600,217.40, 828,410.82 and 385,625.72

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Solution

The fourth proportional to 600,217.40, 828,410.82 and 385,625.72 is: 532,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,217.40 : 828,410.82 = 385,625.72 : x
  2. Step 2: Convert to fraction form
    600,217.40/828,410.82 = 385,625.72/x
  3. Step 3: Cross multiply
    600,217.40x = 828,410.82 × 385,625.72
  4. Step 4: Simplify right side
    600,217.40x = 319,456,518,918.29
  5. Step 5: Solve for x
    x = 319,456,518,918.29/600,217.40
  6. Step 6: Final answer
    x = 532,234.69

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1.5x scale

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.