Home / 756,504.93-1,134,925.88-330,109.59

Finding the Fourth Proportional to 756,504.93, 1,134,925.88 and 330,109.59

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Solution

The fourth proportional to 756,504.93, 1,134,925.88 and 330,109.59 is: 495,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,504.93 : 1,134,925.88 = 330,109.59 : x
  2. Step 2: Convert to fraction form
    756,504.93/1,134,925.88 = 330,109.59/x
  3. Step 3: Cross multiply
    756,504.93x = 1,134,925.88 × 330,109.59
  4. Step 4: Simplify right side
    756,504.93x = 374,649,915,276.64
  5. Step 5: Solve for x
    x = 374,649,915,276.64/756,504.93
  6. Step 6: Final answer
    x = 495,237.90

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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.