Home / 886,738.90-1,330,281.15-354,169.30

Finding the Fourth Proportional to 886,738.90, 1,330,281.15 and 354,169.30

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Solution

The fourth proportional to 886,738.90, 1,330,281.15 and 354,169.30 is: 531,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,738.90 : 1,330,281.15 = 354,169.30 : x
  2. Step 2: Convert to fraction form
    886,738.90/1,330,281.15 = 354,169.30/x
  3. Step 3: Cross multiply
    886,738.90x = 1,330,281.15 × 354,169.30
  4. Step 4: Simplify right side
    886,738.90x = 471,144,743,698.70
  5. Step 5: Solve for x
    x = 471,144,743,698.70/886,738.90
  6. Step 6: Final answer
    x = 531,322.97

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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.