Finding the Fourth Proportional to 558,793.06, 771,200.08 and 313,818.08
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Solution
The fourth proportional to 558,793.06, 771,200.08 and 313,818.08 is: 433,105.82
Step by Step Solution
- Step 1: Write the proportion equation
558,793.06 : 771,200.08 = 313,818.08 : x - Step 2: Convert to fraction form
558,793.06/771,200.08 = 313,818.08/x - Step 3: Cross multiply
558,793.06x = 771,200.08 × 313,818.08 - Step 4: Simplify right side
558,793.06x = 242,016,523,760.90 - Step 5: Solve for x
x = 242,016,523,760.90/558,793.06 - Step 6: Final answer
x = 433,105.82
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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.