Finding the Fourth Proportional to 789,742.68, 1,184,613.06 and 257,262.84
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Solution
The fourth proportional to 789,742.68, 1,184,613.06 and 257,262.84 is: 385,893.95
Step by Step Solution
- Step 1: Write the proportion equation
789,742.68 : 1,184,613.06 = 257,262.84 : x - Step 2: Convert to fraction form
789,742.68/1,184,613.06 = 257,262.84/x - Step 3: Cross multiply
789,742.68x = 1,184,613.06 × 257,262.84 - Step 4: Simplify right side
789,742.68x = 304,756,920,116.69 - Step 5: Solve for x
x = 304,756,920,116.69/789,742.68 - Step 6: Final answer
x = 385,893.95
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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.