Home / 770,479.80-1,154,942.10-350,057.40

Finding the Fourth Proportional to 770,479.80, 1,154,942.10 and 350,057.40

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Solution

The fourth proportional to 770,479.80, 1,154,942.10 and 350,057.40 is: 524,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,479.80 : 1,154,942.10 = 350,057.40 : x
  2. Step 2: Convert to fraction form
    770,479.80/1,154,942.10 = 350,057.40/x
  3. Step 3: Cross multiply
    770,479.80x = 1,154,942.10 × 350,057.40
  4. Step 4: Simplify right side
    770,479.80x = 404,296,028,676.54
  5. Step 5: Solve for x
    x = 404,296,028,676.54/770,479.80
  6. Step 6: Final answer
    x = 524,732.81

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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.