Home / 1,330,300.20-1,995,450.30-488,742.60

Finding the Fourth Proportional to 1,330,300.20, 1,995,450.30 and 488,742.60

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Solution

The fourth proportional to 1,330,300.20, 1,995,450.30 and 488,742.60 is: 733,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,300.20 : 1,995,450.30 = 488,742.60 : x
  2. Step 2: Convert to fraction form
    1,330,300.20/1,995,450.30 = 488,742.60/x
  3. Step 3: Cross multiply
    1,330,300.20x = 1,995,450.30 × 488,742.60
  4. Step 4: Simplify right side
    1,330,300.20x = 975,261,567,792.78
  5. Step 5: Solve for x
    x = 975,261,567,792.78/1,330,300.20
  6. Step 6: Final answer
    x = 733,113.90

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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.