Finding the Fourth Proportional to 808,302.92, 1,115,521.62 and 445,759.88
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Solution
The fourth proportional to 808,302.92, 1,115,521.62 and 445,759.88 is: 615,183.70
Step by Step Solution
- Step 1: Write the proportion equation
808,302.92 : 1,115,521.62 = 445,759.88 : x - Step 2: Convert to fraction form
808,302.92/1,115,521.62 = 445,759.88/x - Step 3: Cross multiply
808,302.92x = 1,115,521.62 × 445,759.88 - Step 4: Simplify right side
808,302.92x = 497,254,783,468.61 - Step 5: Solve for x
x = 497,254,783,468.61/808,302.92 - Step 6: Final answer
x = 615,183.70
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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.