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Finding the Fourth Proportional to 633,094.84, 873,665.46 and 342,705

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Solution

The fourth proportional to 633,094.84, 873,665.46 and 342,705 is: 472,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,094.84 : 873,665.46 = 342,705 : x
  2. Step 2: Convert to fraction form
    633,094.84/873,665.46 = 342,705/x
  3. Step 3: Cross multiply
    633,094.84x = 873,665.46 × 342,705
  4. Step 4: Simplify right side
    633,094.84x = 299,409,521,469.30
  5. Step 5: Solve for x
    x = 299,409,521,469.30/633,094.84
  6. Step 6: Final answer
    x = 472,929.97

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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.