Home / 672,771.60-1,009,327.80-223,494.67

Finding the Fourth Proportional to 672,771.60, 1,009,327.80 and 223,494.67

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Solution

The fourth proportional to 672,771.60, 1,009,327.80 and 223,494.67 is: 335,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,771.60 : 1,009,327.80 = 223,494.67 : x
  2. Step 2: Convert to fraction form
    672,771.60/1,009,327.80 = 223,494.67/x
  3. Step 3: Cross multiply
    672,771.60x = 1,009,327.80 × 223,494.67
  4. Step 4: Simplify right side
    672,771.60x = 225,579,383,582.83
  5. Step 5: Solve for x
    x = 225,579,383,582.83/672,771.60
  6. Step 6: Final answer
    x = 335,298.61

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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.