Finding the Fourth Proportional to 808,316.92, 1,115,540.94 and 445,773.88
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Solution
The fourth proportional to 808,316.92, 1,115,540.94 and 445,773.88 is: 615,203.02
Step by Step Solution
- Step 1: Write the proportion equation
808,316.92 : 1,115,540.94 = 445,773.88 : x - Step 2: Convert to fraction form
808,316.92/1,115,540.94 = 445,773.88/x - Step 3: Cross multiply
808,316.92x = 1,115,540.94 × 445,773.88 - Step 4: Simplify right side
808,316.92x = 497,279,013,122.65 - Step 5: Solve for x
x = 497,279,013,122.65/808,316.92 - Step 6: Final answer
x = 615,203.02
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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.