Home / 770,252.20-1,155,368.70-349,234.60

Finding the Fourth Proportional to 770,252.20, 1,155,368.70 and 349,234.60

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Solution

The fourth proportional to 770,252.20, 1,155,368.70 and 349,234.60 is: 523,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,252.20 : 1,155,368.70 = 349,234.60 : x
  2. Step 2: Convert to fraction form
    770,252.20/1,155,368.70 = 349,234.60/x
  3. Step 3: Cross multiply
    770,252.20x = 1,155,368.70 × 349,234.60
  4. Step 4: Simplify right side
    770,252.20x = 403,494,725,797.02
  5. Step 5: Solve for x
    x = 403,494,725,797.02/770,252.20
  6. Step 6: Final answer
    x = 523,847.55

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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.