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Finding the Fourth Proportional to 585,213.46, 807,942.62 and 370,537.54

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Solution

The fourth proportional to 585,213.46, 807,942.62 and 370,537.54 is: 511,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,213.46 : 807,942.62 = 370,537.54 : x
  2. Step 2: Convert to fraction form
    585,213.46/807,942.62 = 370,537.54/x
  3. Step 3: Cross multiply
    585,213.46x = 807,942.62 × 370,537.54
  4. Step 4: Simplify right side
    585,213.46x = 299,373,070,875.96
  5. Step 5: Solve for x
    x = 299,373,070,875.96/585,213.46
  6. Step 6: Final answer
    x = 511,562.18

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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.