Home / 743,357.07-1,114,990.47-263,608.59

Finding the Fourth Proportional to 743,357.07, 1,114,990.47 and 263,608.59

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Solution

The fourth proportional to 743,357.07, 1,114,990.47 and 263,608.59 is: 395,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,357.07 : 1,114,990.47 = 263,608.59 : x
  2. Step 2: Convert to fraction form
    743,357.07/1,114,990.47 = 263,608.59/x
  3. Step 3: Cross multiply
    743,357.07x = 1,114,990.47 × 263,608.59
  4. Step 4: Simplify right side
    743,357.07x = 293,921,065,660.14
  5. Step 5: Solve for x
    x = 293,921,065,660.14/743,357.07
  6. Step 6: Final answer
    x = 395,396.88

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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.