Finding the Fourth Proportional to 808,415.55, 1,115,561.84 and 445,842
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Solution
The fourth proportional to 808,415.55, 1,115,561.84 and 445,842 is: 615,233.49
Step by Step Solution
- Step 1: Write the proportion equation
808,415.55 : 1,115,561.84 = 445,842 : x - Step 2: Convert to fraction form
808,415.55/1,115,561.84 = 445,842/x - Step 3: Cross multiply
808,415.55x = 1,115,561.84 × 445,842 - Step 4: Simplify right side
808,415.55x = 497,364,319,640.07 - Step 5: Solve for x
x = 497,364,319,640.07/808,415.55 - Step 6: Final answer
x = 615,233.49
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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.