Home / 648,353.72-973,215.38-364,287.04

Finding the Fourth Proportional to 648,353.72, 973,215.38 and 364,287.04

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Solution

The fourth proportional to 648,353.72, 973,215.38 and 364,287.04 is: 546,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,353.72 : 973,215.38 = 364,287.04 : x
  2. Step 2: Convert to fraction form
    648,353.72/973,215.38 = 364,287.04/x
  3. Step 3: Cross multiply
    648,353.72x = 973,215.38 × 364,287.04
  4. Step 4: Simplify right side
    648,353.72x = 354,529,748,540.35
  5. Step 5: Solve for x
    x = 354,529,748,540.35/648,353.72
  6. Step 6: Final answer
    x = 546,815.32

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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.