Home / 629,051.31-942,837.84-291,378.51

Finding the Fourth Proportional to 629,051.31, 942,837.84 and 291,378.51

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Solution

The fourth proportional to 629,051.31, 942,837.84 and 291,378.51 is: 436,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,051.31 : 942,837.84 = 291,378.51 : x
  2. Step 2: Convert to fraction form
    629,051.31/942,837.84 = 291,378.51/x
  3. Step 3: Cross multiply
    629,051.31x = 942,837.84 × 291,378.51
  4. Step 4: Simplify right side
    629,051.31x = 274,722,684,990.82
  5. Step 5: Solve for x
    x = 274,722,684,990.82/629,051.31
  6. Step 6: Final answer
    x = 436,725.40

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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.