Home / 641,435.22-885,180.95-351,046.62

Finding the Fourth Proportional to 641,435.22, 885,180.95 and 351,046.62

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Solution

The fourth proportional to 641,435.22, 885,180.95 and 351,046.62 is: 484,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,435.22 : 885,180.95 = 351,046.62 : x
  2. Step 2: Convert to fraction form
    641,435.22/885,180.95 = 351,046.62/x
  3. Step 3: Cross multiply
    641,435.22x = 885,180.95 × 351,046.62
  4. Step 4: Simplify right side
    641,435.22x = 310,739,778,830.66
  5. Step 5: Solve for x
    x = 310,739,778,830.66/641,435.22
  6. Step 6: Final answer
    x = 484,444.52

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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.