Home / 442,929.10-662,644.05-384,414.70

Finding the Fourth Proportional to 442,929.10, 662,644.05 and 384,414.70

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Solution

The fourth proportional to 442,929.10, 662,644.05 and 384,414.70 is: 575,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,929.10 : 662,644.05 = 384,414.70 : x
  2. Step 2: Convert to fraction form
    442,929.10/662,644.05 = 384,414.70/x
  3. Step 3: Cross multiply
    442,929.10x = 662,644.05 × 384,414.70
  4. Step 4: Simplify right side
    442,929.10x = 254,730,113,687.54
  5. Step 5: Solve for x
    x = 254,730,113,687.54/442,929.10
  6. Step 6: Final answer
    x = 575,103.59

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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.