Home / 788,818.15-1,183,759.61-308,986.41

Finding the Fourth Proportional to 788,818.15, 1,183,759.61 and 308,986.41

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Solution

The fourth proportional to 788,818.15, 1,183,759.61 and 308,986.41 is: 463,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,818.15 : 1,183,759.61 = 308,986.41 : x
  2. Step 2: Convert to fraction form
    788,818.15/1,183,759.61 = 308,986.41/x
  3. Step 3: Cross multiply
    788,818.15x = 1,183,759.61 × 308,986.41
  4. Step 4: Simplify right side
    788,818.15x = 365,765,630,651.97
  5. Step 5: Solve for x
    x = 365,765,630,651.97/788,818.15
  6. Step 6: Final answer
    x = 463,688.15

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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.