Home / 756,093.78-1,042,440.93-619,624.98

Finding the Fourth Proportional to 756,093.78, 1,042,440.93 and 619,624.98

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Solution

The fourth proportional to 756,093.78, 1,042,440.93 and 619,624.98 is: 854,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,093.78 : 1,042,440.93 = 619,624.98 : x
  2. Step 2: Convert to fraction form
    756,093.78/1,042,440.93 = 619,624.98/x
  3. Step 3: Cross multiply
    756,093.78x = 1,042,440.93 × 619,624.98
  4. Step 4: Simplify right side
    756,093.78x = 645,922,440,402.43
  5. Step 5: Solve for x
    x = 645,922,440,402.43/756,093.78
  6. Step 6: Final answer
    x = 854,288.79

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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.