Finding the Fourth Proportional to 858,269.79, 1,184,138.60 and 495,645.75
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Solution
The fourth proportional to 858,269.79, 1,184,138.60 and 495,645.75 is: 683,833.07
Step by Step Solution
- Step 1: Write the proportion equation
858,269.79 : 1,184,138.60 = 495,645.75 : x - Step 2: Convert to fraction form
858,269.79/1,184,138.60 = 495,645.75/x - Step 3: Cross multiply
858,269.79x = 1,184,138.60 × 495,645.75 - Step 4: Simplify right side
858,269.79x = 586,913,262,022.72 - Step 5: Solve for x
x = 586,913,262,022.72/858,269.79 - Step 6: Final answer
x = 683,833.07
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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.