Finding the Fourth Proportional to 558,189.24, 770,520.28 and 395,695.08
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Solution
The fourth proportional to 558,189.24, 770,520.28 and 395,695.08 is: 546,214.55
Step by Step Solution
- Step 1: Write the proportion equation
558,189.24 : 770,520.28 = 395,695.08 : x - Step 2: Convert to fraction form
558,189.24/770,520.28 = 395,695.08/x - Step 3: Cross multiply
558,189.24x = 770,520.28 × 395,695.08 - Step 4: Simplify right side
558,189.24x = 304,891,083,836.22 - Step 5: Solve for x
x = 304,891,083,836.22/558,189.24 - Step 6: Final answer
x = 546,214.55
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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.