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Finding the Fourth Proportional to 587,403.26, 810,648.54 and 332,804.06

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Solution

The fourth proportional to 587,403.26, 810,648.54 and 332,804.06 is: 459,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,403.26 : 810,648.54 = 332,804.06 : x
  2. Step 2: Convert to fraction form
    587,403.26/810,648.54 = 332,804.06/x
  3. Step 3: Cross multiply
    587,403.26x = 810,648.54 × 332,804.06
  4. Step 4: Simplify right side
    587,403.26x = 269,787,125,345.07
  5. Step 5: Solve for x
    x = 269,787,125,345.07/587,403.26
  6. Step 6: Final answer
    x = 459,287.76

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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.