Finding the Fourth Proportional to 858,582.75, 1,184,846.57 and 471,423.26
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Solution
The fourth proportional to 858,582.75, 1,184,846.57 and 471,423.26 is: 650,565.39
Step by Step Solution
- Step 1: Write the proportion equation
858,582.75 : 1,184,846.57 = 471,423.26 : x - Step 2: Convert to fraction form
858,582.75/1,184,846.57 = 471,423.26/x - Step 3: Cross multiply
858,582.75x = 1,184,846.57 × 471,423.26 - Step 4: Simplify right side
858,582.75x = 558,564,224,347.87 - Step 5: Solve for x
x = 558,564,224,347.87/858,582.75 - Step 6: Final answer
x = 650,565.39
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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.