Home / 881,615.70-1,322,941.95-320,577.30

Finding the Fourth Proportional to 881,615.70, 1,322,941.95 and 320,577.30

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Solution

The fourth proportional to 881,615.70, 1,322,941.95 and 320,577.30 is: 481,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,615.70 : 1,322,941.95 = 320,577.30 : x
  2. Step 2: Convert to fraction form
    881,615.70/1,322,941.95 = 320,577.30/x
  3. Step 3: Cross multiply
    881,615.70x = 1,322,941.95 × 320,577.30
  4. Step 4: Simplify right side
    881,615.70x = 424,105,158,387.74
  5. Step 5: Solve for x
    x = 424,105,158,387.74/881,615.70
  6. Step 6: Final answer
    x = 481,054.45

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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.