Home / 784,309.80-1,176,440.40-223,344.30

Finding the Fourth Proportional to 784,309.80, 1,176,440.40 and 223,344.30

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Solution

The fourth proportional to 784,309.80, 1,176,440.40 and 223,344.30 is: 335,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,309.80 : 1,176,440.40 = 223,344.30 : x
  2. Step 2: Convert to fraction form
    784,309.80/1,176,440.40 = 223,344.30/x
  3. Step 3: Cross multiply
    784,309.80x = 1,176,440.40 × 223,344.30
  4. Step 4: Simplify right side
    784,309.80x = 262,751,257,629.72
  5. Step 5: Solve for x
    x = 262,751,257,629.72/784,309.80
  6. Step 6: Final answer
    x = 335,009.53

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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.