Home / 852,267.42-1,278,068.90-319,497.75

Finding the Fourth Proportional to 852,267.42, 1,278,068.90 and 319,497.75

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Solution

The fourth proportional to 852,267.42, 1,278,068.90 and 319,497.75 is: 479,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,267.42 : 1,278,068.90 = 319,497.75 : x
  2. Step 2: Convert to fraction form
    852,267.42/1,278,068.90 = 319,497.75/x
  3. Step 3: Cross multiply
    852,267.42x = 1,278,068.90 × 319,497.75
  4. Step 4: Simplify right side
    852,267.42x = 408,340,136,297.49
  5. Step 5: Solve for x
    x = 408,340,136,297.49/852,267.42
  6. Step 6: Final answer
    x = 479,122.08

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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.