Finding the Fourth Proportional to 957,639.35, 1,321,546.30 and 527,910.05
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Solution
The fourth proportional to 957,639.35, 1,321,546.30 and 527,910.05 is: 728,518.07
Step by Step Solution
- Step 1: Write the proportion equation
957,639.35 : 1,321,546.30 = 527,910.05 : x - Step 2: Convert to fraction form
957,639.35/1,321,546.30 = 527,910.05/x - Step 3: Cross multiply
957,639.35x = 1,321,546.30 × 527,910.05 - Step 4: Simplify right side
957,639.35x = 697,657,566,702.58 - Step 5: Solve for x
x = 697,657,566,702.58/957,639.35 - Step 6: Final answer
x = 728,518.07
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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.