Home / 921,179.15-1,381,897.92-322,004.03

Finding the Fourth Proportional to 921,179.15, 1,381,897.92 and 322,004.03

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Solution

The fourth proportional to 921,179.15, 1,381,897.92 and 322,004.03 is: 483,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,179.15 : 1,381,897.92 = 322,004.03 : x
  2. Step 2: Convert to fraction form
    921,179.15/1,381,897.92 = 322,004.03/x
  3. Step 3: Cross multiply
    921,179.15x = 1,381,897.92 × 322,004.03
  4. Step 4: Simplify right side
    921,179.15x = 444,976,696,727.98
  5. Step 5: Solve for x
    x = 444,976,696,727.98/921,179.15
  6. Step 6: Final answer
    x = 483,051.20

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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.