Home / 689,892.16-952,034.36-379,792.21

Finding the Fourth Proportional to 689,892.16, 952,034.36 and 379,792.21

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Solution

The fourth proportional to 689,892.16, 952,034.36 and 379,792.21 is: 524,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,892.16 : 952,034.36 = 379,792.21 : x
  2. Step 2: Convert to fraction form
    689,892.16/952,034.36 = 379,792.21/x
  3. Step 3: Cross multiply
    689,892.16x = 952,034.36 × 379,792.21
  4. Step 4: Simplify right side
    689,892.16x = 361,575,226,921.20
  5. Step 5: Solve for x
    x = 361,575,226,921.20/689,892.16
  6. Step 6: Final answer
    x = 524,103.98

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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.