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Finding the Fourth Proportional to 894,728.78, 1,341,678.44 and 333,612.62

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Solution

The fourth proportional to 894,728.78, 1,341,678.44 and 333,612.62 is: 500,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,728.78 : 1,341,678.44 = 333,612.62 : x
  2. Step 2: Convert to fraction form
    894,728.78/1,341,678.44 = 333,612.62/x
  3. Step 3: Cross multiply
    894,728.78x = 1,341,678.44 × 333,612.62
  4. Step 4: Simplify right side
    894,728.78x = 447,600,859,565.91
  5. Step 5: Solve for x
    x = 447,600,859,565.91/894,728.78
  6. Step 6: Final answer
    x = 500,264.29

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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.