Finding the Fourth Proportional to 558,796.06, 771,204.22 and 313,821.08
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Solution
The fourth proportional to 558,796.06, 771,204.22 and 313,821.08 is: 433,109.96
Step by Step Solution
- Step 1: Write the proportion equation
558,796.06 : 771,204.22 = 313,821.08 : x - Step 2: Convert to fraction form
558,796.06/771,204.22 = 313,821.08/x - Step 3: Cross multiply
558,796.06x = 771,204.22 × 313,821.08 - Step 4: Simplify right side
558,796.06x = 242,020,141,220.96 - Step 5: Solve for x
x = 242,020,141,220.96/558,796.06 - Step 6: Final answer
x = 433,109.96
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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.