Home / 784,401.20-1,176,466.38-208,028.48

Finding the Fourth Proportional to 784,401.20, 1,176,466.38 and 208,028.48

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Solution

The fourth proportional to 784,401.20, 1,176,466.38 and 208,028.48 is: 312,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,401.20 : 1,176,466.38 = 208,028.48 : x
  2. Step 2: Convert to fraction form
    784,401.20/1,176,466.38 = 208,028.48/x
  3. Step 3: Cross multiply
    784,401.20x = 1,176,466.38 × 208,028.48
  4. Step 4: Simplify right side
    784,401.20x = 244,738,512,802.50
  5. Step 5: Solve for x
    x = 244,738,512,802.50/784,401.20
  6. Step 6: Final answer
    x = 312,006.81

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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.