Home / 788,660.88-1,183,190.72-220,041.68

Finding the Fourth Proportional to 788,660.88, 1,183,190.72 and 220,041.68

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Solution

The fourth proportional to 788,660.88, 1,183,190.72 and 220,041.68 is: 330,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,660.88 : 1,183,190.72 = 220,041.68 : x
  2. Step 2: Convert to fraction form
    788,660.88/1,183,190.72 = 220,041.68/x
  3. Step 3: Cross multiply
    788,660.88x = 1,183,190.72 × 220,041.68
  4. Step 4: Simplify right side
    788,660.88x = 260,351,268,423.36
  5. Step 5: Solve for x
    x = 260,351,268,423.36/788,660.88
  6. Step 6: Final answer
    x = 330,118.15

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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.