Finding the Fourth Proportional to 808,300.62, 1,115,504.87 and 445,723.97
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Solution
The fourth proportional to 808,300.62, 1,115,504.87 and 445,723.97 is: 615,126.65
Step by Step Solution
- Step 1: Write the proportion equation
808,300.62 : 1,115,504.87 = 445,723.97 : x - Step 2: Convert to fraction form
808,300.62/1,115,504.87 = 445,723.97/x - Step 3: Cross multiply
808,300.62x = 1,115,504.87 × 445,723.97 - Step 4: Simplify right side
808,300.62x = 497,207,251,404.59 - Step 5: Solve for x
x = 497,207,251,404.59/808,300.62 - Step 6: Final answer
x = 615,126.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.