Finding the Fourth Proportional to 696,679.12, 1,045,484.16 and 253,447.12
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Solution
The fourth proportional to 696,679.12, 1,045,484.16 and 253,447.12 is: 380,340.02
Step by Step Solution
- Step 1: Write the proportion equation
696,679.12 : 1,045,484.16 = 253,447.12 : x - Step 2: Convert to fraction form
696,679.12/1,045,484.16 = 253,447.12/x - Step 3: Cross multiply
696,679.12x = 1,045,484.16 × 253,447.12 - Step 4: Simplify right side
696,679.12x = 264,974,949,357.62 - Step 5: Solve for x
x = 264,974,949,357.62/696,679.12 - Step 6: Final answer
x = 380,340.02
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1.5x scale
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.