Home / 648,481.06-973,314.85-328,853.51

Finding the Fourth Proportional to 648,481.06, 973,314.85 and 328,853.51

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Solution

The fourth proportional to 648,481.06, 973,314.85 and 328,853.51 is: 493,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,481.06 : 973,314.85 = 328,853.51 : x
  2. Step 2: Convert to fraction form
    648,481.06/973,314.85 = 328,853.51/x
  3. Step 3: Cross multiply
    648,481.06x = 973,314.85 × 328,853.51
  4. Step 4: Simplify right side
    648,481.06x = 320,078,004,757.62
  5. Step 5: Solve for x
    x = 320,078,004,757.62/648,481.06
  6. Step 6: Final answer
    x = 493,581.12

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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.