Home / 680,228.08-1,020,493.84-206,950.34

Finding the Fourth Proportional to 680,228.08, 1,020,493.84 and 206,950.34

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Solution

The fourth proportional to 680,228.08, 1,020,493.84 and 206,950.34 is: 310,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,228.08 : 1,020,493.84 = 206,950.34 : x
  2. Step 2: Convert to fraction form
    680,228.08/1,020,493.84 = 206,950.34/x
  3. Step 3: Cross multiply
    680,228.08x = 1,020,493.84 × 206,950.34
  4. Step 4: Simplify right side
    680,228.08x = 211,191,549,577.80
  5. Step 5: Solve for x
    x = 211,191,549,577.80/680,228.08
  6. Step 6: Final answer
    x = 310,471.67

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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.