Finding the Fourth Proportional to 789,733.42, 1,184,599.21 and 257,253.59
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Solution
The fourth proportional to 789,733.42, 1,184,599.21 and 257,253.59 is: 385,880.09
Step by Step Solution
- Step 1: Write the proportion equation
789,733.42 : 1,184,599.21 = 257,253.59 : x - Step 2: Convert to fraction form
789,733.42/1,184,599.21 = 257,253.59/x - Step 3: Cross multiply
789,733.42x = 1,184,599.21 × 257,253.59 - Step 4: Simplify right side
789,733.42x = 304,742,399,483.66 - Step 5: Solve for x
x = 304,742,399,483.66/789,733.42 - Step 6: Final answer
x = 385,880.09
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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.