Finding the Fourth Proportional to 832,454.09, 1,248,175.50 and 326,408.79
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Solution
The fourth proportional to 832,454.09, 1,248,175.50 and 326,408.79 is: 489,414.92
Step by Step Solution
- Step 1: Write the proportion equation
832,454.09 : 1,248,175.50 = 326,408.79 : x - Step 2: Convert to fraction form
832,454.09/1,248,175.50 = 326,408.79/x - Step 3: Cross multiply
832,454.09x = 1,248,175.50 × 326,408.79 - Step 4: Simplify right side
832,454.09x = 407,415,452,016.31 - Step 5: Solve for x
x = 407,415,452,016.31/832,454.09 - Step 6: Final answer
x = 489,414.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.