Home / 557,288.82-769,038.03-302,634.54

Finding the Fourth Proportional to 557,288.82, 769,038.03 and 302,634.54

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Solution

The fourth proportional to 557,288.82, 769,038.03 and 302,634.54 is: 417,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,288.82 : 769,038.03 = 302,634.54 : x
  2. Step 2: Convert to fraction form
    557,288.82/769,038.03 = 302,634.54/x
  3. Step 3: Cross multiply
    557,288.82x = 769,038.03 × 302,634.54
  4. Step 4: Simplify right side
    557,288.82x = 232,737,470,451.56
  5. Step 5: Solve for x
    x = 232,737,470,451.56/557,288.82
  6. Step 6: Final answer
    x = 417,624.51

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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.