Home / 756,069.20-1,134,103.80-282,693.05

Finding the Fourth Proportional to 756,069.20, 1,134,103.80 and 282,693.05

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Solution

The fourth proportional to 756,069.20, 1,134,103.80 and 282,693.05 is: 424,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,069.20 : 1,134,103.80 = 282,693.05 : x
  2. Step 2: Convert to fraction form
    756,069.20/1,134,103.80 = 282,693.05/x
  3. Step 3: Cross multiply
    756,069.20x = 1,134,103.80 × 282,693.05
  4. Step 4: Simplify right side
    756,069.20x = 320,603,262,238.59
  5. Step 5: Solve for x
    x = 320,603,262,238.59/756,069.20
  6. Step 6: Final answer
    x = 424,039.58

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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.