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Finding the Fourth Proportional to 707,954.09, 976,967.83 and 385,657.27

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Solution

The fourth proportional to 707,954.09, 976,967.83 and 385,657.27 is: 532,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,954.09 : 976,967.83 = 385,657.27 : x
  2. Step 2: Convert to fraction form
    707,954.09/976,967.83 = 385,657.27/x
  3. Step 3: Cross multiply
    707,954.09x = 976,967.83 × 385,657.27
  4. Step 4: Simplify right side
    707,954.09x = 376,774,742,789.06
  5. Step 5: Solve for x
    x = 376,774,742,789.06/707,954.09
  6. Step 6: Final answer
    x = 532,202.22

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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.