Finding the Fourth Proportional to 543,674.08, 749,967.86 and 505,186.07
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Solution
The fourth proportional to 543,674.08, 749,967.86 and 505,186.07 is: 696,875.81
Step by Step Solution
- Step 1: Write the proportion equation
543,674.08 : 749,967.86 = 505,186.07 : x - Step 2: Convert to fraction form
543,674.08/749,967.86 = 505,186.07/x - Step 3: Cross multiply
543,674.08x = 749,967.86 × 505,186.07 - Step 4: Simplify right side
543,674.08x = 378,873,313,332.84 - Step 5: Solve for x
x = 378,873,313,332.84/543,674.08 - Step 6: Final answer
x = 696,875.81
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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.