Home / 704,607.96-1,057,043.61-320,385.03

Finding the Fourth Proportional to 704,607.96, 1,057,043.61 and 320,385.03

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Solution

The fourth proportional to 704,607.96, 1,057,043.61 and 320,385.03 is: 480,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,607.96 : 1,057,043.61 = 320,385.03 : x
  2. Step 2: Convert to fraction form
    704,607.96/1,057,043.61 = 320,385.03/x
  3. Step 3: Cross multiply
    704,607.96x = 1,057,043.61 × 320,385.03
  4. Step 4: Simplify right side
    704,607.96x = 338,660,952,665.07
  5. Step 5: Solve for x
    x = 338,660,952,665.07/704,607.96
  6. Step 6: Final answer
    x = 480,637.42

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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.