Home / 756,504.56-1,134,925.32-330,109.22

Finding the Fourth Proportional to 756,504.56, 1,134,925.32 and 330,109.22

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Solution

The fourth proportional to 756,504.56, 1,134,925.32 and 330,109.22 is: 495,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,504.56 : 1,134,925.32 = 330,109.22 : x
  2. Step 2: Convert to fraction form
    756,504.56/1,134,925.32 = 330,109.22/x
  3. Step 3: Cross multiply
    756,504.56x = 1,134,925.32 × 330,109.22
  4. Step 4: Simplify right side
    756,504.56x = 374,649,306,468.82
  5. Step 5: Solve for x
    x = 374,649,306,468.82/756,504.56
  6. Step 6: Final answer
    x = 495,237.34

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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.