Home / 635,895.90-877,536.18-349,434.54

Finding the Fourth Proportional to 635,895.90, 877,536.18 and 349,434.54

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Solution

The fourth proportional to 635,895.90, 877,536.18 and 349,434.54 is: 482,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,895.90 : 877,536.18 = 349,434.54 : x
  2. Step 2: Convert to fraction form
    635,895.90/877,536.18 = 349,434.54/x
  3. Step 3: Cross multiply
    635,895.90x = 877,536.18 × 349,434.54
  4. Step 4: Simplify right side
    635,895.90x = 306,641,451,391.66
  5. Step 5: Solve for x
    x = 306,641,451,391.66/635,895.90
  6. Step 6: Final answer
    x = 482,219.58

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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.