Finding the Fourth Proportional to 476,537.79, 718,153.46 and 429,212.19
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Solution
The fourth proportional to 476,537.79, 718,153.46 and 429,212.19 is: 646,832.69
Step by Step Solution
- Step 1: Write the proportion equation
476,537.79 : 718,153.46 = 429,212.19 : x - Step 2: Convert to fraction form
476,537.79/718,153.46 = 429,212.19/x - Step 3: Cross multiply
476,537.79x = 718,153.46 × 429,212.19 - Step 4: Simplify right side
476,537.79x = 308,240,219,322.68 - Step 5: Solve for x
x = 308,240,219,322.68/476,537.79 - Step 6: Final answer
x = 646,832.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.