Home / 704,942.21-1,057,549.26-300,127.01

Finding the Fourth Proportional to 704,942.21, 1,057,549.26 and 300,127.01

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Solution

The fourth proportional to 704,942.21, 1,057,549.26 and 300,127.01 is: 450,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,942.21 : 1,057,549.26 = 300,127.01 : x
  2. Step 2: Convert to fraction form
    704,942.21/1,057,549.26 = 300,127.01/x
  3. Step 3: Cross multiply
    704,942.21x = 1,057,549.26 × 300,127.01
  4. Step 4: Simplify right side
    704,942.21x = 317,399,090,636.92
  5. Step 5: Solve for x
    x = 317,399,090,636.92/704,942.21
  6. Step 6: Final answer
    x = 450,248.38

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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.