Finding the Fourth Proportional to 735,231.18, 1,014,611.22 and 412,918.14
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Solution
The fourth proportional to 735,231.18, 1,014,611.22 and 412,918.14 is: 569,822.65
Step by Step Solution
- Step 1: Write the proportion equation
735,231.18 : 1,014,611.22 = 412,918.14 : x - Step 2: Convert to fraction form
735,231.18/1,014,611.22 = 412,918.14/x - Step 3: Cross multiply
735,231.18x = 1,014,611.22 × 412,918.14 - Step 4: Simplify right side
735,231.18x = 418,951,377,785.53 - Step 5: Solve for x
x = 418,951,377,785.53/735,231.18 - Step 6: Final answer
x = 569,822.65
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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.