Finding the Fourth Proportional to 858,462.48, 1,184,733.68 and 495,901.62
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Solution
The fourth proportional to 858,462.48, 1,184,733.68 and 495,901.62 is: 684,376.27
Step by Step Solution
- Step 1: Write the proportion equation
858,462.48 : 1,184,733.68 = 495,901.62 : x - Step 2: Convert to fraction form
858,462.48/1,184,733.68 = 495,901.62/x - Step 3: Cross multiply
858,462.48x = 1,184,733.68 × 495,901.62 - Step 4: Simplify right side
858,462.48x = 587,511,348,701.05 - Step 5: Solve for x
x = 587,511,348,701.05/858,462.48 - Step 6: Final answer
x = 684,376.27
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1.5x scale
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.