Home / 683,976.48-1,026,074.97-210,661.62

Finding the Fourth Proportional to 683,976.48, 1,026,074.97 and 210,661.62

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Solution

The fourth proportional to 683,976.48, 1,026,074.97 and 210,661.62 is: 316,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,976.48 : 1,026,074.97 = 210,661.62 : x
  2. Step 2: Convert to fraction form
    683,976.48/1,026,074.97 = 210,661.62/x
  3. Step 3: Cross multiply
    683,976.48x = 1,026,074.97 × 210,661.62
  4. Step 4: Simplify right side
    683,976.48x = 216,154,615,421.65
  5. Step 5: Solve for x
    x = 216,154,615,421.65/683,976.48
  6. Step 6: Final answer
    x = 316,026.39

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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.