Home / 756,435.24-1,134,735.89-377,451.36

Finding the Fourth Proportional to 756,435.24, 1,134,735.89 and 377,451.36

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Solution

The fourth proportional to 756,435.24, 1,134,735.89 and 377,451.36 is: 566,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,435.24 : 1,134,735.89 = 377,451.36 : x
  2. Step 2: Convert to fraction form
    756,435.24/1,134,735.89 = 377,451.36/x
  3. Step 3: Cross multiply
    756,435.24x = 1,134,735.89 × 377,451.36
  4. Step 4: Simplify right side
    756,435.24x = 428,307,603,034.05
  5. Step 5: Solve for x
    x = 428,307,603,034.05/756,435.24
  6. Step 6: Final answer
    x = 566,218.47

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1.5x scale

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.