Home / 778,048.79-1,166,792.33-328,804.37

Finding the Fourth Proportional to 778,048.79, 1,166,792.33 and 328,804.37

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Solution

The fourth proportional to 778,048.79, 1,166,792.33 and 328,804.37 is: 493,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,048.79 : 1,166,792.33 = 328,804.37 : x
  2. Step 2: Convert to fraction form
    778,048.79/1,166,792.33 = 328,804.37/x
  3. Step 3: Cross multiply
    778,048.79x = 1,166,792.33 × 328,804.37
  4. Step 4: Simplify right side
    778,048.79x = 383,646,409,508.50
  5. Step 5: Solve for x
    x = 383,646,409,508.50/778,048.79
  6. Step 6: Final answer
    x = 493,087.86

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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.