Finding the Fourth Proportional to 680,988.96, 939,753.18 and 375,093.99
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Solution
The fourth proportional to 680,988.96, 939,753.18 and 375,093.99 is: 517,623.33
Step by Step Solution
- Step 1: Write the proportion equation
680,988.96 : 939,753.18 = 375,093.99 : x - Step 2: Convert to fraction form
680,988.96/939,753.18 = 375,093.99/x - Step 3: Cross multiply
680,988.96x = 939,753.18 × 375,093.99 - Step 4: Simplify right side
680,988.96x = 352,495,769,901.39 - Step 5: Solve for x
x = 352,495,769,901.39/680,988.96 - Step 6: Final answer
x = 517,623.33
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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.