Home / 738,571.24-1,107,685.34-289,301.48

Finding the Fourth Proportional to 738,571.24, 1,107,685.34 and 289,301.48

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Solution

The fourth proportional to 738,571.24, 1,107,685.34 and 289,301.48 is: 433,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,571.24 : 1,107,685.34 = 289,301.48 : x
  2. Step 2: Convert to fraction form
    738,571.24/1,107,685.34 = 289,301.48/x
  3. Step 3: Cross multiply
    738,571.24x = 1,107,685.34 × 289,301.48
  4. Step 4: Simplify right side
    738,571.24x = 320,455,008,236.30
  5. Step 5: Solve for x
    x = 320,455,008,236.30/738,571.24
  6. Step 6: Final answer
    x = 433,885.03

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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.