Home / 828,435.04-1,242,894.48-329,872.48

Finding the Fourth Proportional to 828,435.04, 1,242,894.48 and 329,872.48

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Solution

The fourth proportional to 828,435.04, 1,242,894.48 and 329,872.48 is: 494,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,435.04 : 1,242,894.48 = 329,872.48 : x
  2. Step 2: Convert to fraction form
    828,435.04/1,242,894.48 = 329,872.48/x
  3. Step 3: Cross multiply
    828,435.04x = 1,242,894.48 × 329,872.48
  4. Step 4: Simplify right side
    828,435.04x = 409,996,684,495.91
  5. Step 5: Solve for x
    x = 409,996,684,495.91/828,435.04
  6. Step 6: Final answer
    x = 494,905.05

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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.