Home / 647,911.07-972,161.98-332,589.59

Finding the Fourth Proportional to 647,911.07, 972,161.98 and 332,589.59

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Solution

The fourth proportional to 647,911.07, 972,161.98 and 332,589.59 is: 499,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,911.07 : 972,161.98 = 332,589.59 : x
  2. Step 2: Convert to fraction form
    647,911.07/972,161.98 = 332,589.59/x
  3. Step 3: Cross multiply
    647,911.07x = 972,161.98 × 332,589.59
  4. Step 4: Simplify right side
    647,911.07x = 323,330,948,649.50
  5. Step 5: Solve for x
    x = 323,330,948,649.50/647,911.07
  6. Step 6: Final answer
    x = 499,036.00

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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.