Home / 723,991.48-999,108.23-401,703.88

Finding the Fourth Proportional to 723,991.48, 999,108.23 and 401,703.88

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Solution

The fourth proportional to 723,991.48, 999,108.23 and 401,703.88 is: 554,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,991.48 : 999,108.23 = 401,703.88 : x
  2. Step 2: Convert to fraction form
    723,991.48/999,108.23 = 401,703.88/x
  3. Step 3: Cross multiply
    723,991.48x = 999,108.23 × 401,703.88
  4. Step 4: Simplify right side
    723,991.48x = 401,345,647,535.39
  5. Step 5: Solve for x
    x = 401,345,647,535.39/723,991.48
  6. Step 6: Final answer
    x = 554,351.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.