Finding the Fourth Proportional to 851,683.36, 1,175,309.04 and 469,745.68
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Solution
The fourth proportional to 851,683.36, 1,175,309.04 and 469,745.68 is: 648,241.32
Step by Step Solution
- Step 1: Write the proportion equation
851,683.36 : 1,175,309.04 = 469,745.68 : x - Step 2: Convert to fraction form
851,683.36/1,175,309.04 = 469,745.68/x - Step 3: Cross multiply
851,683.36x = 1,175,309.04 × 469,745.68 - Step 4: Simplify right side
851,683.36x = 552,096,344,204.95 - Step 5: Solve for x
x = 552,096,344,204.95/851,683.36 - Step 6: Final answer
x = 648,241.32
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1.5x scale
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.