Finding the Fourth Proportional to 858,189.99, 1,184,357.54 and 476,216.77
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Solution
The fourth proportional to 858,189.99, 1,184,357.54 and 476,216.77 is: 657,209.86
Step by Step Solution
- Step 1: Write the proportion equation
858,189.99 : 1,184,357.54 = 476,216.77 : x - Step 2: Convert to fraction form
858,189.99/1,184,357.54 = 476,216.77/x - Step 3: Cross multiply
858,189.99x = 1,184,357.54 × 476,216.77 - Step 4: Simplify right side
858,189.99x = 564,010,921,171.82 - Step 5: Solve for x
x = 564,010,921,171.82/858,189.99 - Step 6: Final answer
x = 657,209.86
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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.