Home / 483,055.53-723,776.92-212,781

Finding the Fourth Proportional to 483,055.53, 723,776.92 and 212,781

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Solution

The fourth proportional to 483,055.53, 723,776.92 and 212,781 is: 318,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,055.53 : 723,776.92 = 212,781 : x
  2. Step 2: Convert to fraction form
    483,055.53/723,776.92 = 212,781/x
  3. Step 3: Cross multiply
    483,055.53x = 723,776.92 × 212,781
  4. Step 4: Simplify right side
    483,055.53x = 154,005,976,814.52
  5. Step 5: Solve for x
    x = 154,005,976,814.52/483,055.53
  6. Step 6: Final answer
    x = 318,816.30

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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.