Finding the Fourth Proportional to 712,062.96, 1,068,091.74 and 291,338.70
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Solution
The fourth proportional to 712,062.96, 1,068,091.74 and 291,338.70 is: 437,006.95
Step by Step Solution
- Step 1: Write the proportion equation
712,062.96 : 1,068,091.74 = 291,338.70 : x - Step 2: Convert to fraction form
712,062.96/1,068,091.74 = 291,338.70/x - Step 3: Cross multiply
712,062.96x = 1,068,091.74 × 291,338.70 - Step 4: Simplify right side
712,062.96x = 311,176,459,012.34 - Step 5: Solve for x
x = 311,176,459,012.34/712,062.96 - Step 6: Final answer
x = 437,006.95
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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.