Home / 777,331.89-1,166,154.57-328,053.24

Finding the Fourth Proportional to 777,331.89, 1,166,154.57 and 328,053.24

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Solution

The fourth proportional to 777,331.89, 1,166,154.57 and 328,053.24 is: 492,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,331.89 : 1,166,154.57 = 328,053.24 : x
  2. Step 2: Convert to fraction form
    777,331.89/1,166,154.57 = 328,053.24/x
  3. Step 3: Cross multiply
    777,331.89x = 1,166,154.57 × 328,053.24
  4. Step 4: Simplify right side
    777,331.89x = 382,560,785,029.31
  5. Step 5: Solve for x
    x = 382,560,785,029.31/777,331.89
  6. Step 6: Final answer
    x = 492,146.01

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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.