Home / 639,281.24-882,204.04-352,801.32

Finding the Fourth Proportional to 639,281.24, 882,204.04 and 352,801.32

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Solution

The fourth proportional to 639,281.24, 882,204.04 and 352,801.32 is: 486,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,281.24 : 882,204.04 = 352,801.32 : x
  2. Step 2: Convert to fraction form
    639,281.24/882,204.04 = 352,801.32/x
  3. Step 3: Cross multiply
    639,281.24x = 882,204.04 × 352,801.32
  4. Step 4: Simplify right side
    639,281.24x = 311,242,749,821.33
  5. Step 5: Solve for x
    x = 311,242,749,821.33/639,281.24
  6. Step 6: Final answer
    x = 486,863.57

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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.