Home / 407,739.74-562,687.80-223,986.06

Finding the Fourth Proportional to 407,739.74, 562,687.80 and 223,986.06

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Solution

The fourth proportional to 407,739.74, 562,687.80 and 223,986.06 is: 309,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,739.74 : 562,687.80 = 223,986.06 : x
  2. Step 2: Convert to fraction form
    407,739.74/562,687.80 = 223,986.06/x
  3. Step 3: Cross multiply
    407,739.74x = 562,687.80 × 223,986.06
  4. Step 4: Simplify right side
    407,739.74x = 126,034,219,398.70
  5. Step 5: Solve for x
    x = 126,034,219,398.70/407,739.74
  6. Step 6: Final answer
    x = 309,104.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.