Finding the Fourth Proportional to 676,599.62, 933,353.15 and 418,394.19
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Solution
The fourth proportional to 676,599.62, 933,353.15 and 418,394.19 is: 577,164.88
Step by Step Solution
- Step 1: Write the proportion equation
676,599.62 : 933,353.15 = 418,394.19 : x - Step 2: Convert to fraction form
676,599.62/933,353.15 = 418,394.19/x - Step 3: Cross multiply
676,599.62x = 933,353.15 × 418,394.19 - Step 4: Simplify right side
676,599.62x = 390,509,533,086.23 - Step 5: Solve for x
x = 390,509,533,086.23/676,599.62 - Step 6: Final answer
x = 577,164.88
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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.