Finding the Fourth Proportional to 563,119.78, 777,106.56 and 308,471.98
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Solution
The fourth proportional to 563,119.78, 777,106.56 and 308,471.98 is: 425,692.02
Step by Step Solution
- Step 1: Write the proportion equation
563,119.78 : 777,106.56 = 308,471.98 : x - Step 2: Convert to fraction form
563,119.78/777,106.56 = 308,471.98/x - Step 3: Cross multiply
563,119.78x = 777,106.56 × 308,471.98 - Step 4: Simplify right side
563,119.78x = 239,715,599,234.19 - Step 5: Solve for x
x = 239,715,599,234.19/563,119.78 - Step 6: Final answer
x = 425,692.02
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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.