Home / 648,231.12-972,450.36-274,257.36

Finding the Fourth Proportional to 648,231.12, 972,450.36 and 274,257.36

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Solution

The fourth proportional to 648,231.12, 972,450.36 and 274,257.36 is: 411,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,231.12 : 972,450.36 = 274,257.36 : x
  2. Step 2: Convert to fraction form
    648,231.12/972,450.36 = 274,257.36/x
  3. Step 3: Cross multiply
    648,231.12x = 972,450.36 × 274,257.36
  4. Step 4: Simplify right side
    648,231.12x = 266,701,668,464.65
  5. Step 5: Solve for x
    x = 266,701,668,464.65/648,231.12
  6. Step 6: Final answer
    x = 411,429.91

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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.