Home / 738,121.80-1,104,671.48-453,662.34

Finding the Fourth Proportional to 738,121.80, 1,104,671.48 and 453,662.34

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Solution

The fourth proportional to 738,121.80, 1,104,671.48 and 453,662.34 is: 678,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,121.80 : 1,104,671.48 = 453,662.34 : x
  2. Step 2: Convert to fraction form
    738,121.80/1,104,671.48 = 453,662.34/x
  3. Step 3: Cross multiply
    738,121.80x = 1,104,671.48 × 453,662.34
  4. Step 4: Simplify right side
    738,121.80x = 501,147,848,548.06
  5. Step 5: Solve for x
    x = 501,147,848,548.06/738,121.80
  6. Step 6: Final answer
    x = 678,950.07

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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.