Home / 777,334.64-1,166,158.70-328,055.99

Finding the Fourth Proportional to 777,334.64, 1,166,158.70 and 328,055.99

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Solution

The fourth proportional to 777,334.64, 1,166,158.70 and 328,055.99 is: 492,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,334.64 : 1,166,158.70 = 328,055.99 : x
  2. Step 2: Convert to fraction form
    777,334.64/1,166,158.70 = 328,055.99/x
  3. Step 3: Cross multiply
    777,334.64x = 1,166,158.70 × 328,055.99
  4. Step 4: Simplify right side
    777,334.64x = 382,565,345,185.33
  5. Step 5: Solve for x
    x = 382,565,345,185.33/777,334.64
  6. Step 6: Final answer
    x = 492,150.13

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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.