Finding the Fourth Proportional to 676,593.05, 933,344.12 and 418,387.63
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Solution
The fourth proportional to 676,593.05, 933,344.12 and 418,387.63 is: 577,155.84
Step by Step Solution
- Step 1: Write the proportion equation
676,593.05 : 933,344.12 = 418,387.63 : x - Step 2: Convert to fraction form
676,593.05/933,344.12 = 418,387.63/x - Step 3: Cross multiply
676,593.05x = 933,344.12 × 418,387.63 - Step 4: Simplify right side
676,593.05x = 390,499,632,450.43 - Step 5: Solve for x
x = 390,499,632,450.43/676,593.05 - Step 6: Final answer
x = 577,155.84
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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.