Home / 756,103.68-1,134,177.39-282,698.64

Finding the Fourth Proportional to 756,103.68, 1,134,177.39 and 282,698.64

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Solution

The fourth proportional to 756,103.68, 1,134,177.39 and 282,698.64 is: 424,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,103.68 : 1,134,177.39 = 282,698.64 : x
  2. Step 2: Convert to fraction form
    756,103.68/1,134,177.39 = 282,698.64/x
  3. Step 3: Cross multiply
    756,103.68x = 1,134,177.39 × 282,698.64
  4. Step 4: Simplify right side
    756,103.68x = 320,630,405,671.75
  5. Step 5: Solve for x
    x = 320,630,405,671.75/756,103.68
  6. Step 6: Final answer
    x = 424,056.14

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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.