Finding the Fourth Proportional to 926,245.80, 1,389,368.70 and 716,293.80
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Solution
The fourth proportional to 926,245.80, 1,389,368.70 and 716,293.80 is: 1,074,440.70
Step by Step Solution
- Step 1: Write the proportion equation
926,245.80 : 1,389,368.70 = 716,293.80 : x - Step 2: Convert to fraction form
926,245.80/1,389,368.70 = 716,293.80/x - Step 3: Cross multiply
926,245.80x = 1,389,368.70 × 716,293.80 - Step 4: Simplify right side
926,245.80x = 995,196,185,724.06 - Step 5: Solve for x
x = 995,196,185,724.06/926,245.80 - Step 6: Final answer
x = 1,074,440.70
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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.