Home / 507,956.98-761,976.96-255,107.42

Finding the Fourth Proportional to 507,956.98, 761,976.96 and 255,107.42

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Solution

The fourth proportional to 507,956.98, 761,976.96 and 255,107.42 is: 382,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,956.98 : 761,976.96 = 255,107.42 : x
  2. Step 2: Convert to fraction form
    507,956.98/761,976.96 = 255,107.42/x
  3. Step 3: Cross multiply
    507,956.98x = 761,976.96 × 255,107.42
  4. Step 4: Simplify right side
    507,956.98x = 194,385,976,365.04
  5. Step 5: Solve for x
    x = 194,385,976,365.04/507,956.98
  6. Step 6: Final answer
    x = 382,681.97

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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.