Finding the Fourth Proportional to 789,887.67, 1,184,880.74 and 316,511.52
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Solution
The fourth proportional to 789,887.67, 1,184,880.74 and 316,511.52 is: 474,787.01
Step by Step Solution
- Step 1: Write the proportion equation
789,887.67 : 1,184,880.74 = 316,511.52 : x - Step 2: Convert to fraction form
789,887.67/1,184,880.74 = 316,511.52/x - Step 3: Cross multiply
789,887.67x = 1,184,880.74 × 316,511.52 - Step 4: Simplify right side
789,887.67x = 375,028,404,036.13 - Step 5: Solve for x
x = 375,028,404,036.13/789,887.67 - Step 6: Final answer
x = 474,787.01
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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.