Home / 788,674.80-1,182,720.60-256,213.20

Finding the Fourth Proportional to 788,674.80, 1,182,720.60 and 256,213.20

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Solution

The fourth proportional to 788,674.80, 1,182,720.60 and 256,213.20 is: 384,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,674.80 : 1,182,720.60 = 256,213.20 : x
  2. Step 2: Convert to fraction form
    788,674.80/1,182,720.60 = 256,213.20/x
  3. Step 3: Cross multiply
    788,674.80x = 1,182,720.60 × 256,213.20
  4. Step 4: Simplify right side
    788,674.80x = 303,028,629,631.92
  5. Step 5: Solve for x
    x = 303,028,629,631.92/788,674.80
  6. Step 6: Final answer
    x = 384,225.07

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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.