Home / 676,865.30-1,014,909.15-203,479.70

Finding the Fourth Proportional to 676,865.30, 1,014,909.15 and 203,479.70

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Solution

The fourth proportional to 676,865.30, 1,014,909.15 and 203,479.70 is: 305,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,865.30 : 1,014,909.15 = 203,479.70 : x
  2. Step 2: Convert to fraction form
    676,865.30/1,014,909.15 = 203,479.70/x
  3. Step 3: Cross multiply
    676,865.30x = 1,014,909.15 × 203,479.70
  4. Step 4: Simplify right side
    676,865.30x = 206,513,409,369.26
  5. Step 5: Solve for x
    x = 206,513,409,369.26/676,865.30
  6. Step 6: Final answer
    x = 305,102.67

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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.