Finding the Fourth Proportional to 980,776.06, 1,353,584.36 and 572,979.84
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Solution
The fourth proportional to 980,776.06, 1,353,584.36 and 572,979.84 is: 790,778.43
Step by Step Solution
- Step 1: Write the proportion equation
980,776.06 : 1,353,584.36 = 572,979.84 : x - Step 2: Convert to fraction form
980,776.06/1,353,584.36 = 572,979.84/x - Step 3: Cross multiply
980,776.06x = 1,353,584.36 × 572,979.84 - Step 4: Simplify right side
980,776.06x = 775,576,550,019.30 - Step 5: Solve for x
x = 775,576,550,019.30/980,776.06 - Step 6: Final answer
x = 790,778.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.