Home / 422,984.07-583,819.79-287,244.27

Finding the Fourth Proportional to 422,984.07, 583,819.79 and 287,244.27

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Solution

The fourth proportional to 422,984.07, 583,819.79 and 287,244.27 is: 396,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,984.07 : 583,819.79 = 287,244.27 : x
  2. Step 2: Convert to fraction form
    422,984.07/583,819.79 = 287,244.27/x
  3. Step 3: Cross multiply
    422,984.07x = 583,819.79 × 287,244.27
  4. Step 4: Simplify right side
    422,984.07x = 167,698,887,953.88
  5. Step 5: Solve for x
    x = 167,698,887,953.88/422,984.07
  6. Step 6: Final answer
    x = 396,466.20

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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.