Home / 741,421.37-1,023,205.61-419,161.46

Finding the Fourth Proportional to 741,421.37, 1,023,205.61 and 419,161.46

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Solution

The fourth proportional to 741,421.37, 1,023,205.61 and 419,161.46 is: 578,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,421.37 : 1,023,205.61 = 419,161.46 : x
  2. Step 2: Convert to fraction form
    741,421.37/1,023,205.61 = 419,161.46/x
  3. Step 3: Cross multiply
    741,421.37x = 1,023,205.61 × 419,161.46
  4. Step 4: Simplify right side
    741,421.37x = 428,888,350,155.96
  5. Step 5: Solve for x
    x = 428,888,350,155.96/741,421.37
  6. Step 6: Final answer
    x = 578,467.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.