Finding the Fourth Proportional to 762,397.96, 1,142,153.44 and 508,914.12
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Solution
The fourth proportional to 762,397.96, 1,142,153.44 and 508,914.12 is: 762,407.62
Step by Step Solution
- Step 1: Write the proportion equation
762,397.96 : 1,142,153.44 = 508,914.12 : x - Step 2: Convert to fraction form
762,397.96/1,142,153.44 = 508,914.12/x - Step 3: Cross multiply
762,397.96x = 1,142,153.44 × 508,914.12 - Step 4: Simplify right side
762,397.96x = 581,258,012,822.57 - Step 5: Solve for x
x = 581,258,012,822.57/762,397.96 - Step 6: Final answer
x = 762,407.62
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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.