Home / 683,710.46-1,025,662.89-210,435.26

Finding the Fourth Proportional to 683,710.46, 1,025,662.89 and 210,435.26

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Solution

The fourth proportional to 683,710.46, 1,025,662.89 and 210,435.26 is: 315,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,710.46 : 1,025,662.89 = 210,435.26 : x
  2. Step 2: Convert to fraction form
    683,710.46/1,025,662.89 = 210,435.26/x
  3. Step 3: Cross multiply
    683,710.46x = 1,025,662.89 × 210,435.26
  4. Step 4: Simplify right side
    683,710.46x = 215,835,636,929.50
  5. Step 5: Solve for x
    x = 215,835,636,929.50/683,710.46
  6. Step 6: Final answer
    x = 315,682.81

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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.