Home / 629,346.80-943,670.24-208,393.04

Finding the Fourth Proportional to 629,346.80, 943,670.24 and 208,393.04

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Solution

The fourth proportional to 629,346.80, 943,670.24 and 208,393.04 is: 312,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,346.80 : 943,670.24 = 208,393.04 : x
  2. Step 2: Convert to fraction form
    629,346.80/943,670.24 = 208,393.04/x
  3. Step 3: Cross multiply
    629,346.80x = 943,670.24 × 208,393.04
  4. Step 4: Simplify right side
    629,346.80x = 196,654,310,071.13
  5. Step 5: Solve for x
    x = 196,654,310,071.13/629,346.80
  6. Step 6: Final answer
    x = 312,473.68

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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.