Home / 682,722.56-1,023,766.86-398,495.18

Finding the Fourth Proportional to 682,722.56, 1,023,766.86 and 398,495.18

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Solution

The fourth proportional to 682,722.56, 1,023,766.86 and 398,495.18 is: 597,557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,722.56 : 1,023,766.86 = 398,495.18 : x
  2. Step 2: Convert to fraction form
    682,722.56/1,023,766.86 = 398,495.18/x
  3. Step 3: Cross multiply
    682,722.56x = 1,023,766.86 × 398,495.18
  4. Step 4: Simplify right side
    682,722.56x = 407,966,159,153.74
  5. Step 5: Solve for x
    x = 407,966,159,153.74/682,722.56
  6. Step 6: Final answer
    x = 597,557.75

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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.