Home / 929,136.98-1,393,556.40-255,060.90

Finding the Fourth Proportional to 929,136.98, 1,393,556.40 and 255,060.90

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Solution

The fourth proportional to 929,136.98, 1,393,556.40 and 255,060.90 is: 382,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,136.98 : 1,393,556.40 = 255,060.90 : x
  2. Step 2: Convert to fraction form
    929,136.98/1,393,556.40 = 255,060.90/x
  3. Step 3: Cross multiply
    929,136.98x = 1,393,556.40 × 255,060.90
  4. Step 4: Simplify right side
    929,136.98x = 355,441,749,584.76
  5. Step 5: Solve for x
    x = 355,441,749,584.76/929,136.98
  6. Step 6: Final answer
    x = 382,550.43

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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.