Home / 782,351.20-1,173,235.20-308,938.60

Finding the Fourth Proportional to 782,351.20, 1,173,235.20 and 308,938.60

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Solution

The fourth proportional to 782,351.20, 1,173,235.20 and 308,938.60 is: 463,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,351.20 : 1,173,235.20 = 308,938.60 : x
  2. Step 2: Convert to fraction form
    782,351.20/1,173,235.20 = 308,938.60/x
  3. Step 3: Cross multiply
    782,351.20x = 1,173,235.20 × 308,938.60
  4. Step 4: Simplify right side
    782,351.20x = 362,457,640,158.72
  5. Step 5: Solve for x
    x = 362,457,640,158.72/782,351.20
  6. Step 6: Final answer
    x = 463,292.75

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1.5x scale

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.