Home / 770,514.40-1,155,771.60-491,269.60

Finding the Fourth Proportional to 770,514.40, 1,155,771.60 and 491,269.60

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Solution

The fourth proportional to 770,514.40, 1,155,771.60 and 491,269.60 is: 736,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,514.40 : 1,155,771.60 = 491,269.60 : x
  2. Step 2: Convert to fraction form
    770,514.40/1,155,771.60 = 491,269.60/x
  3. Step 3: Cross multiply
    770,514.40x = 1,155,771.60 × 491,269.60
  4. Step 4: Simplify right side
    770,514.40x = 567,795,451,623.36
  5. Step 5: Solve for x
    x = 567,795,451,623.36/770,514.40
  6. Step 6: Final answer
    x = 736,904.40

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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.