Home / 672,870.76-1,009,487.58-223,664.20

Finding the Fourth Proportional to 672,870.76, 1,009,487.58 and 223,664.20

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Solution

The fourth proportional to 672,870.76, 1,009,487.58 and 223,664.20 is: 335,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,870.76 : 1,009,487.58 = 223,664.20 : x
  2. Step 2: Convert to fraction form
    672,870.76/1,009,487.58 = 223,664.20/x
  3. Step 3: Cross multiply
    672,870.76x = 1,009,487.58 × 223,664.20
  4. Step 4: Simplify right side
    672,870.76x = 225,786,231,990.64
  5. Step 5: Solve for x
    x = 225,786,231,990.64/672,870.76
  6. Step 6: Final answer
    x = 335,556.61

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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.