Home / 683,825.76-1,025,881.20-210,487.68

Finding the Fourth Proportional to 683,825.76, 1,025,881.20 and 210,487.68

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Solution

The fourth proportional to 683,825.76, 1,025,881.20 and 210,487.68 is: 315,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,825.76 : 1,025,881.20 = 210,487.68 : x
  2. Step 2: Convert to fraction form
    683,825.76/1,025,881.20 = 210,487.68/x
  3. Step 3: Cross multiply
    683,825.76x = 1,025,881.20 × 210,487.68
  4. Step 4: Simplify right side
    683,825.76x = 215,935,353,743.62
  5. Step 5: Solve for x
    x = 215,935,353,743.62/683,825.76
  6. Step 6: Final answer
    x = 315,775.40

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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.