Home / 648,091.65-972,633.66-293,354.79

Finding the Fourth Proportional to 648,091.65, 972,633.66 and 293,354.79

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Solution

The fourth proportional to 648,091.65, 972,633.66 and 293,354.79 is: 440,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,091.65 : 972,633.66 = 293,354.79 : x
  2. Step 2: Convert to fraction form
    648,091.65/972,633.66 = 293,354.79/x
  3. Step 3: Cross multiply
    648,091.65x = 972,633.66 × 293,354.79
  4. Step 4: Simplify right side
    648,091.65x = 285,326,743,076.23
  5. Step 5: Solve for x
    x = 285,326,743,076.23/648,091.65
  6. Step 6: Final answer
    x = 440,256.78

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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.