Home / 804,965.32-1,207,489.34-205,931.67

Finding the Fourth Proportional to 804,965.32, 1,207,489.34 and 205,931.67

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Solution

The fourth proportional to 804,965.32, 1,207,489.34 and 205,931.67 is: 308,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,965.32 : 1,207,489.34 = 205,931.67 : x
  2. Step 2: Convert to fraction form
    804,965.32/1,207,489.34 = 205,931.67/x
  3. Step 3: Cross multiply
    804,965.32x = 1,207,489.34 × 205,931.67
  4. Step 4: Simplify right side
    804,965.32x = 248,660,298,539.88
  5. Step 5: Solve for x
    x = 248,660,298,539.88/804,965.32
  6. Step 6: Final answer
    x = 308,908.09

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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.