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Finding the Fourth Proportional to 557,793.24, 769,754.34 and 303,144.48

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Solution

The fourth proportional to 557,793.24, 769,754.34 and 303,144.48 is: 418,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,793.24 : 769,754.34 = 303,144.48 : x
  2. Step 2: Convert to fraction form
    557,793.24/769,754.34 = 303,144.48/x
  3. Step 3: Cross multiply
    557,793.24x = 769,754.34 × 303,144.48
  4. Step 4: Simplify right side
    557,793.24x = 233,346,779,127.04
  5. Step 5: Solve for x
    x = 233,346,779,127.04/557,793.24
  6. Step 6: Final answer
    x = 418,339.20

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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.