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Finding the Fourth Proportional to 647,808.03, 972,007.29 and 332,486.37

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Solution

The fourth proportional to 647,808.03, 972,007.29 and 332,486.37 is: 498,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,808.03 : 972,007.29 = 332,486.37 : x
  2. Step 2: Convert to fraction form
    647,808.03/972,007.29 = 332,486.37/x
  3. Step 3: Cross multiply
    647,808.03x = 972,007.29 × 332,486.37
  4. Step 4: Simplify right side
    647,808.03x = 323,179,175,465.64
  5. Step 5: Solve for x
    x = 323,179,175,465.64/647,808.03
  6. Step 6: Final answer
    x = 498,881.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.