Home / 683,830.76-1,025,888.70-210,492.68

Finding the Fourth Proportional to 683,830.76, 1,025,888.70 and 210,492.68

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Solution

The fourth proportional to 683,830.76, 1,025,888.70 and 210,492.68 is: 315,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,830.76 : 1,025,888.70 = 210,492.68 : x
  2. Step 2: Convert to fraction form
    683,830.76/1,025,888.70 = 210,492.68/x
  3. Step 3: Cross multiply
    683,830.76x = 1,025,888.70 × 210,492.68
  4. Step 4: Simplify right side
    683,830.76x = 215,942,061,844.72
  5. Step 5: Solve for x
    x = 215,942,061,844.72/683,830.76
  6. Step 6: Final answer
    x = 315,782.90

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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.