Home / 482,582.49-723,879.31-145,626.06

Finding the Fourth Proportional to 482,582.49, 723,879.31 and 145,626.06

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Solution

The fourth proportional to 482,582.49, 723,879.31 and 145,626.06 is: 218,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,582.49 : 723,879.31 = 145,626.06 : x
  2. Step 2: Convert to fraction form
    482,582.49/723,879.31 = 145,626.06/x
  3. Step 3: Cross multiply
    482,582.49x = 723,879.31 × 145,626.06
  4. Step 4: Simplify right side
    482,582.49x = 105,415,691,466.75
  5. Step 5: Solve for x
    x = 105,415,691,466.75/482,582.49
  6. Step 6: Final answer
    x = 218,440.77

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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.