Finding the Fourth Proportional to 548,720.64, 757,263.86 and 306,988.84
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Solution
The fourth proportional to 548,720.64, 757,263.86 and 306,988.84 is: 423,661.03
Step by Step Solution
- Step 1: Write the proportion equation
548,720.64 : 757,263.86 = 306,988.84 : x - Step 2: Convert to fraction form
548,720.64/757,263.86 = 306,988.84/x - Step 3: Cross multiply
548,720.64x = 757,263.86 × 306,988.84 - Step 4: Simplify right side
548,720.64x = 232,471,553,955.32 - Step 5: Solve for x
x = 232,471,553,955.32/548,720.64 - Step 6: Final answer
x = 423,661.03
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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.