Home / 1,327,334.40-1,991,008.80-330,062.40

Finding the Fourth Proportional to 1,327,334.40, 1,991,008.80 and 330,062.40

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Solution

The fourth proportional to 1,327,334.40, 1,991,008.80 and 330,062.40 is: 495,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,334.40 : 1,991,008.80 = 330,062.40 : x
  2. Step 2: Convert to fraction form
    1,327,334.40/1,991,008.80 = 330,062.40/x
  3. Step 3: Cross multiply
    1,327,334.40x = 1,991,008.80 × 330,062.40
  4. Step 4: Simplify right side
    1,327,334.40x = 657,157,142,949.12
  5. Step 5: Solve for x
    x = 657,157,142,949.12/1,327,334.40
  6. Step 6: Final answer
    x = 495,095.39

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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.