Home / 639,509.56-882,539.24-363,852.22

Finding the Fourth Proportional to 639,509.56, 882,539.24 and 363,852.22

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Solution

The fourth proportional to 639,509.56, 882,539.24 and 363,852.22 is: 502,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,509.56 : 882,539.24 = 363,852.22 : x
  2. Step 2: Convert to fraction form
    639,509.56/882,539.24 = 363,852.22/x
  3. Step 3: Cross multiply
    639,509.56x = 882,539.24 × 363,852.22
  4. Step 4: Simplify right side
    639,509.56x = 321,113,861,711.11
  5. Step 5: Solve for x
    x = 321,113,861,711.11/639,509.56
  6. Step 6: Final answer
    x = 502,125.19

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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.