Finding the Fourth Proportional to 858,403.24, 1,184,554.18 and 471,209.20
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Solution
The fourth proportional to 858,403.24, 1,184,554.18 and 471,209.20 is: 650,245.48
Step by Step Solution
- Step 1: Write the proportion equation
858,403.24 : 1,184,554.18 = 471,209.20 : x - Step 2: Convert to fraction form
858,403.24/1,184,554.18 = 471,209.20/x - Step 3: Cross multiply
858,403.24x = 1,184,554.18 × 471,209.20 - Step 4: Simplify right side
858,403.24x = 558,172,827,514.46 - Step 5: Solve for x
x = 558,172,827,514.46/858,403.24 - Step 6: Final answer
x = 650,245.48
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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.