Finding the Fourth Proportional to 558,366.93, 770,473.35 and 316,561.14
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Solution
The fourth proportional to 558,366.93, 770,473.35 and 316,561.14 is: 436,812.98
Step by Step Solution
- Step 1: Write the proportion equation
558,366.93 : 770,473.35 = 316,561.14 : x - Step 2: Convert to fraction form
558,366.93/770,473.35 = 316,561.14/x - Step 3: Cross multiply
558,366.93x = 770,473.35 × 316,561.14 - Step 4: Simplify right side
558,366.93x = 243,901,922,015.62 - Step 5: Solve for x
x = 243,901,922,015.62/558,366.93 - Step 6: Final answer
x = 436,812.98
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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.