Finding the Fourth Proportional to 558,821.93, 771,152.88 and 317,090.09
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Solution
The fourth proportional to 558,821.93, 771,152.88 and 317,090.09 is: 437,572.19
Step by Step Solution
- Step 1: Write the proportion equation
558,821.93 : 771,152.88 = 317,090.09 : x - Step 2: Convert to fraction form
558,821.93/771,152.88 = 317,090.09/x - Step 3: Cross multiply
558,821.93x = 771,152.88 × 317,090.09 - Step 4: Simplify right side
558,821.93x = 244,524,936,122.96 - Step 5: Solve for x
x = 244,524,936,122.96/558,821.93 - Step 6: Final answer
x = 437,572.19
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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.