Home / 788,149.37-1,182,390.21-255,628.98

Finding the Fourth Proportional to 788,149.37, 1,182,390.21 and 255,628.98

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Solution

The fourth proportional to 788,149.37, 1,182,390.21 and 255,628.98 is: 383,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,149.37 : 1,182,390.21 = 255,628.98 : x
  2. Step 2: Convert to fraction form
    788,149.37/1,182,390.21 = 255,628.98/x
  3. Step 3: Cross multiply
    788,149.37x = 1,182,390.21 × 255,628.98
  4. Step 4: Simplify right side
    788,149.37x = 302,253,203,344.29
  5. Step 5: Solve for x
    x = 302,253,203,344.29/788,149.37
  6. Step 6: Final answer
    x = 383,497.36

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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.