Home / 478,844.83-660,810.97-263,992.58

Finding the Fourth Proportional to 478,844.83, 660,810.97 and 263,992.58

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Solution

The fourth proportional to 478,844.83, 660,810.97 and 263,992.58 is: 364,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,844.83 : 660,810.97 = 263,992.58 : x
  2. Step 2: Convert to fraction form
    478,844.83/660,810.97 = 263,992.58/x
  3. Step 3: Cross multiply
    478,844.83x = 660,810.97 × 263,992.58
  4. Step 4: Simplify right side
    478,844.83x = 174,449,192,862.60
  5. Step 5: Solve for x
    x = 174,449,192,862.60/478,844.83
  6. Step 6: Final answer
    x = 364,312.57

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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.