Home / 648,645.72-972,994.17-243,797.09

Finding the Fourth Proportional to 648,645.72, 972,994.17 and 243,797.09

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Solution

The fourth proportional to 648,645.72, 972,994.17 and 243,797.09 is: 365,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,645.72 : 972,994.17 = 243,797.09 : x
  2. Step 2: Convert to fraction form
    648,645.72/972,994.17 = 243,797.09/x
  3. Step 3: Cross multiply
    648,645.72x = 972,994.17 × 243,797.09
  4. Step 4: Simplify right side
    648,645.72x = 237,213,148,755.33
  5. Step 5: Solve for x
    x = 237,213,148,755.33/648,645.72
  6. Step 6: Final answer
    x = 365,705.25

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Similar ratio
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1.5x scale

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.