Finding the Fourth Proportional to 675,780.20, 932,484.36 and 403,790.68
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Solution
The fourth proportional to 675,780.20, 932,484.36 and 403,790.68 is: 557,175.98
Step by Step Solution
- Step 1: Write the proportion equation
675,780.20 : 932,484.36 = 403,790.68 : x - Step 2: Convert to fraction form
675,780.20/932,484.36 = 403,790.68/x - Step 3: Cross multiply
675,780.20x = 932,484.36 × 403,790.68 - Step 4: Simplify right side
675,780.20x = 376,528,493,813.77 - Step 5: Solve for x
x = 376,528,493,813.77/675,780.20 - Step 6: Final answer
x = 557,175.98
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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.