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Finding the Fourth Proportional to 603,921.60, 833,320.50 and 332,001

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Solution

The fourth proportional to 603,921.60, 833,320.50 and 332,001 is: 458,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,921.60 : 833,320.50 = 332,001 : x
  2. Step 2: Convert to fraction form
    603,921.60/833,320.50 = 332,001/x
  3. Step 3: Cross multiply
    603,921.60x = 833,320.50 × 332,001
  4. Step 4: Simplify right side
    603,921.60x = 276,663,239,320.50
  5. Step 5: Solve for x
    x = 276,663,239,320.50/603,921.60
  6. Step 6: Final answer
    x = 458,111.18

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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.