Finding the Fourth Proportional to 563,443.05, 777,546.93 and 308,793.63
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Solution
The fourth proportional to 563,443.05, 777,546.93 and 308,793.63 is: 426,132.75
Step by Step Solution
- Step 1: Write the proportion equation
563,443.05 : 777,546.93 = 308,793.63 : x - Step 2: Convert to fraction form
563,443.05/777,546.93 = 308,793.63/x - Step 3: Cross multiply
563,443.05x = 777,546.93 × 308,793.63 - Step 4: Simplify right side
563,443.05x = 240,101,539,010.06 - Step 5: Solve for x
x = 240,101,539,010.06/563,443.05 - Step 6: Final answer
x = 426,132.75
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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.