Home / 777,287.57-1,166,090.51-328,008.51

Finding the Fourth Proportional to 777,287.57, 1,166,090.51 and 328,008.51

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Solution

The fourth proportional to 777,287.57, 1,166,090.51 and 328,008.51 is: 492,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,287.57 : 1,166,090.51 = 328,008.51 : x
  2. Step 2: Convert to fraction form
    777,287.57/1,166,090.51 = 328,008.51/x
  3. Step 3: Cross multiply
    777,287.57x = 1,166,090.51 × 328,008.51
  4. Step 4: Simplify right side
    777,287.57x = 382,487,611,530.26
  5. Step 5: Solve for x
    x = 382,487,611,530.26/777,287.57
  6. Step 6: Final answer
    x = 492,079.93

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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.