Home / 939,822.70-1,296,956.79-510,103

Finding the Fourth Proportional to 939,822.70, 1,296,956.79 and 510,103

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Solution

The fourth proportional to 939,822.70, 1,296,956.79 and 510,103 is: 703,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,822.70 : 1,296,956.79 = 510,103 : x
  2. Step 2: Convert to fraction form
    939,822.70/1,296,956.79 = 510,103/x
  3. Step 3: Cross multiply
    939,822.70x = 1,296,956.79 × 510,103
  4. Step 4: Simplify right side
    939,822.70x = 661,581,549,449.37
  5. Step 5: Solve for x
    x = 661,581,549,449.37/939,822.70
  6. Step 6: Final answer
    x = 703,942.93

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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.