Home / 844,300.23-1,266,917.76-312,170.37

Finding the Fourth Proportional to 844,300.23, 1,266,917.76 and 312,170.37

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Solution

The fourth proportional to 844,300.23, 1,266,917.76 and 312,170.37 is: 468,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,300.23 : 1,266,917.76 = 312,170.37 : x
  2. Step 2: Convert to fraction form
    844,300.23/1,266,917.76 = 312,170.37/x
  3. Step 3: Cross multiply
    844,300.23x = 1,266,917.76 × 312,170.37
  4. Step 4: Simplify right side
    844,300.23x = 395,494,185,898.77
  5. Step 5: Solve for x
    x = 395,494,185,898.77/844,300.23
  6. Step 6: Final answer
    x = 468,428.38

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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.