Home / 738,267.40-1,107,401.10-205,825.78

Finding the Fourth Proportional to 738,267.40, 1,107,401.10 and 205,825.78

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Solution

The fourth proportional to 738,267.40, 1,107,401.10 and 205,825.78 is: 308,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,267.40 : 1,107,401.10 = 205,825.78 : x
  2. Step 2: Convert to fraction form
    738,267.40/1,107,401.10 = 205,825.78/x
  3. Step 3: Cross multiply
    738,267.40x = 1,107,401.10 × 205,825.78
  4. Step 4: Simplify right side
    738,267.40x = 227,931,695,180.36
  5. Step 5: Solve for x
    x = 227,931,695,180.36/738,267.40
  6. Step 6: Final answer
    x = 308,738.67

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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.