Finding the Fourth Proportional to 600,639.12, 828,521.62 and 396,690.44
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Solution
The fourth proportional to 600,639.12, 828,521.62 and 396,690.44 is: 547,194.80
Step by Step Solution
- Step 1: Write the proportion equation
600,639.12 : 828,521.62 = 396,690.44 : x - Step 2: Convert to fraction form
600,639.12/828,521.62 = 396,690.44/x - Step 3: Cross multiply
600,639.12x = 828,521.62 × 396,690.44 - Step 4: Simplify right side
600,639.12x = 328,666,605,987.31 - Step 5: Solve for x
x = 328,666,605,987.31/600,639.12 - Step 6: Final answer
x = 547,194.80
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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.