Home / 639,444.36-882,433.26-352,964.52

Finding the Fourth Proportional to 639,444.36, 882,433.26 and 352,964.52

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Solution

The fourth proportional to 639,444.36, 882,433.26 and 352,964.52 is: 487,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,444.36 : 882,433.26 = 352,964.52 : x
  2. Step 2: Convert to fraction form
    639,444.36/882,433.26 = 352,964.52/x
  3. Step 3: Cross multiply
    639,444.36x = 882,433.26 × 352,964.52
  4. Step 4: Simplify right side
    639,444.36x = 311,467,632,047.94
  5. Step 5: Solve for x
    x = 311,467,632,047.94/639,444.36
  6. Step 6: Final answer
    x = 487,091.06

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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.