Finding the Fourth Proportional to 858,593.99, 1,184,800.34 and 476,590.70
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Solution
The fourth proportional to 858,593.99, 1,184,800.34 and 476,590.70 is: 657,662.21
Step by Step Solution
- Step 1: Write the proportion equation
858,593.99 : 1,184,800.34 = 476,590.70 : x - Step 2: Convert to fraction form
858,593.99/1,184,800.34 = 476,590.70/x - Step 3: Cross multiply
858,593.99x = 1,184,800.34 × 476,590.70 - Step 4: Simplify right side
858,593.99x = 564,664,818,668.31 - Step 5: Solve for x
x = 564,664,818,668.31/858,593.99 - Step 6: Final answer
x = 657,662.21
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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.