Home / 706,700.50-1,060,401.03-280,227.18

Finding the Fourth Proportional to 706,700.50, 1,060,401.03 and 280,227.18

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Solution

The fourth proportional to 706,700.50, 1,060,401.03 and 280,227.18 is: 420,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,700.50 : 1,060,401.03 = 280,227.18 : x
  2. Step 2: Convert to fraction form
    706,700.50/1,060,401.03 = 280,227.18/x
  3. Step 3: Cross multiply
    706,700.50x = 1,060,401.03 × 280,227.18
  4. Step 4: Simplify right side
    706,700.50x = 297,153,190,306.00
  5. Step 5: Solve for x
    x = 297,153,190,306.00/706,700.50
  6. Step 6: Final answer
    x = 420,479.67

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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.