Home / 478,696.03-660,605.12-263,844.34

Finding the Fourth Proportional to 478,696.03, 660,605.12 and 263,844.34

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Solution

The fourth proportional to 478,696.03, 660,605.12 and 263,844.34 is: 364,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,696.03 : 660,605.12 = 263,844.34 : x
  2. Step 2: Convert to fraction form
    478,696.03/660,605.12 = 263,844.34/x
  3. Step 3: Cross multiply
    478,696.03x = 660,605.12 × 263,844.34
  4. Step 4: Simplify right side
    478,696.03x = 174,296,919,905.70
  5. Step 5: Solve for x
    x = 174,296,919,905.70/478,696.03
  6. Step 6: Final answer
    x = 364,107.72

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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.