Home / 693,250.45-1,039,678.84-219,923.51

Finding the Fourth Proportional to 693,250.45, 1,039,678.84 and 219,923.51

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Solution

The fourth proportional to 693,250.45, 1,039,678.84 and 219,923.51 is: 329,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,250.45 : 1,039,678.84 = 219,923.51 : x
  2. Step 2: Convert to fraction form
    693,250.45/1,039,678.84 = 219,923.51/x
  3. Step 3: Cross multiply
    693,250.45x = 1,039,678.84 × 219,923.51
  4. Step 4: Simplify right side
    693,250.45x = 228,649,814,842.04
  5. Step 5: Solve for x
    x = 228,649,814,842.04/693,250.45
  6. Step 6: Final answer
    x = 329,822.82

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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.