Home / 788,815.51-1,183,755.66-308,983.79

Finding the Fourth Proportional to 788,815.51, 1,183,755.66 and 308,983.79

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Solution

The fourth proportional to 788,815.51, 1,183,755.66 and 308,983.79 is: 463,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,815.51 : 1,183,755.66 = 308,983.79 : x
  2. Step 2: Convert to fraction form
    788,815.51/1,183,755.66 = 308,983.79/x
  3. Step 3: Cross multiply
    788,815.51x = 1,183,755.66 × 308,983.79
  4. Step 4: Simplify right side
    788,815.51x = 365,761,314,378.83
  5. Step 5: Solve for x
    x = 365,761,314,378.83/788,815.51
  6. Step 6: Final answer
    x = 463,684.23

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1.5x scale

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.