Finding the Fourth Proportional to 918,953.98, 1,378,249.23 and 873,383.62
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Solution
The fourth proportional to 918,953.98, 1,378,249.23 and 873,383.62 is: 1,309,902.70
Step by Step Solution
- Step 1: Write the proportion equation
918,953.98 : 1,378,249.23 = 873,383.62 : x - Step 2: Convert to fraction form
918,953.98/1,378,249.23 = 873,383.62/x - Step 3: Cross multiply
918,953.98x = 1,378,249.23 × 873,383.62 - Step 4: Simplify right side
918,953.98x = 1,203,740,301,759.61 - Step 5: Solve for x
x = 1,203,740,301,759.61/918,953.98 - Step 6: Final answer
x = 1,309,902.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.