Home / 738,571.36-1,108,201.43-289,175.53

Finding the Fourth Proportional to 738,571.36, 1,108,201.43 and 289,175.53

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Solution

The fourth proportional to 738,571.36, 1,108,201.43 and 289,175.53 is: 433,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,571.36 : 1,108,201.43 = 289,175.53 : x
  2. Step 2: Convert to fraction form
    738,571.36/1,108,201.43 = 289,175.53/x
  3. Step 3: Cross multiply
    738,571.36x = 1,108,201.43 × 289,175.53
  4. Step 4: Simplify right side
    738,571.36x = 320,464,735,867.01
  5. Step 5: Solve for x
    x = 320,464,735,867.01/738,571.36
  6. Step 6: Final answer
    x = 433,898.14

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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.