Finding the Fourth Proportional to 559,042.80, 771,471.36 and 304,393.98
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Solution
The fourth proportional to 559,042.80, 771,471.36 and 304,393.98 is: 420,059.50
Step by Step Solution
- Step 1: Write the proportion equation
559,042.80 : 771,471.36 = 304,393.98 : x - Step 2: Convert to fraction form
559,042.80/771,471.36 = 304,393.98/x - Step 3: Cross multiply
559,042.80x = 771,471.36 × 304,393.98 - Step 4: Simplify right side
559,042.80x = 234,831,237,726.41 - Step 5: Solve for x
x = 234,831,237,726.41/559,042.80 - Step 6: Final answer
x = 420,059.50
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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.