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Finding the Fourth Proportional to 483,166.84, 723,802.19 and 393,306.19

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Solution

The fourth proportional to 483,166.84, 723,802.19 and 393,306.19 is: 589,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,166.84 : 723,802.19 = 393,306.19 : x
  2. Step 2: Convert to fraction form
    483,166.84/723,802.19 = 393,306.19/x
  3. Step 3: Cross multiply
    483,166.84x = 723,802.19 × 393,306.19
  4. Step 4: Simplify right side
    483,166.84x = 284,675,881,662.56
  5. Step 5: Solve for x
    x = 284,675,881,662.56/483,166.84
  6. Step 6: Final answer
    x = 589,187.54

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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.