Finding the Fourth Proportional to 948,677.99, 1,308,288.38 and 755,727.18
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Solution
The fourth proportional to 948,677.99, 1,308,288.38 and 755,727.18 is: 1,042,196.71
Step by Step Solution
- Step 1: Write the proportion equation
948,677.99 : 1,308,288.38 = 755,727.18 : x - Step 2: Convert to fraction form
948,677.99/1,308,288.38 = 755,727.18/x - Step 3: Cross multiply
948,677.99x = 1,308,288.38 × 755,727.18 - Step 4: Simplify right side
948,677.99x = 988,709,079,359.45 - Step 5: Solve for x
x = 988,709,079,359.45/948,677.99 - Step 6: Final answer
x = 1,042,196.71
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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.