Finding the Fourth Proportional to 756,852.48, 1,133,994.12 and 456,702.42
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Solution
The fourth proportional to 756,852.48, 1,133,994.12 and 456,702.42 is: 684,278.47
Step by Step Solution
- Step 1: Write the proportion equation
756,852.48 : 1,133,994.12 = 456,702.42 : x - Step 2: Convert to fraction form
756,852.48/1,133,994.12 = 456,702.42/x - Step 3: Cross multiply
756,852.48x = 1,133,994.12 × 456,702.42 - Step 4: Simplify right side
756,852.48x = 517,897,858,869.77 - Step 5: Solve for x
x = 517,897,858,869.77/756,852.48 - Step 6: Final answer
x = 684,278.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.