Home / 639,482.22-882,491.62-352,996.16

Finding the Fourth Proportional to 639,482.22, 882,491.62 and 352,996.16

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Solution

The fourth proportional to 639,482.22, 882,491.62 and 352,996.16 is: 487,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,482.22 : 882,491.62 = 352,996.16 : x
  2. Step 2: Convert to fraction form
    639,482.22/882,491.62 = 352,996.16/x
  3. Step 3: Cross multiply
    639,482.22x = 882,491.62 × 352,996.16
  4. Step 4: Simplify right side
    639,482.22x = 311,516,153,092.18
  5. Step 5: Solve for x
    x = 311,516,153,092.18/639,482.22
  6. Step 6: Final answer
    x = 487,138.10

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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.