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Finding the Fourth Proportional to 557,994.26, 769,999.38 and 303,343.22

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Solution

The fourth proportional to 557,994.26, 769,999.38 and 303,343.22 is: 418,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,994.26 : 769,999.38 = 303,343.22 : x
  2. Step 2: Convert to fraction form
    557,994.26/769,999.38 = 303,343.22/x
  3. Step 3: Cross multiply
    557,994.26x = 769,999.38 × 303,343.22
  4. Step 4: Simplify right side
    557,994.26x = 233,574,091,327.20
  5. Step 5: Solve for x
    x = 233,574,091,327.20/557,994.26
  6. Step 6: Final answer
    x = 418,595.87

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1.5x scale

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.