Home / 682,492.56-1,023,935.58-209,247.72

Finding the Fourth Proportional to 682,492.56, 1,023,935.58 and 209,247.72

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Solution

The fourth proportional to 682,492.56, 1,023,935.58 and 209,247.72 is: 313,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,492.56 : 1,023,935.58 = 209,247.72 : x
  2. Step 2: Convert to fraction form
    682,492.56/1,023,935.58 = 209,247.72/x
  3. Step 3: Cross multiply
    682,492.56x = 1,023,935.58 × 209,247.72
  4. Step 4: Simplify right side
    682,492.56x = 214,256,185,541.88
  5. Step 5: Solve for x
    x = 214,256,185,541.88/682,492.56
  6. Step 6: Final answer
    x = 313,931.90

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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.