Home / 770,518.80-1,155,000.60-350,096.40

Finding the Fourth Proportional to 770,518.80, 1,155,000.60 and 350,096.40

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Solution

The fourth proportional to 770,518.80, 1,155,000.60 and 350,096.40 is: 524,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,518.80 : 1,155,000.60 = 350,096.40 : x
  2. Step 2: Convert to fraction form
    770,518.80/1,155,000.60 = 350,096.40/x
  3. Step 3: Cross multiply
    770,518.80x = 1,155,000.60 × 350,096.40
  4. Step 4: Simplify right side
    770,518.80x = 404,361,552,057.84
  5. Step 5: Solve for x
    x = 404,361,552,057.84/770,518.80
  6. Step 6: Final answer
    x = 524,791.29

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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.