Finding the Fourth Proportional to 725,909.70, 1,088,864.55 and 282,677.70
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Solution
The fourth proportional to 725,909.70, 1,088,864.55 and 282,677.70 is: 424,016.55
Step by Step Solution
- Step 1: Write the proportion equation
725,909.70 : 1,088,864.55 = 282,677.70 : x - Step 2: Convert to fraction form
725,909.70/1,088,864.55 = 282,677.70/x - Step 3: Cross multiply
725,909.70x = 1,088,864.55 × 282,677.70 - Step 4: Simplify right side
725,909.70x = 307,797,726,605.54 - Step 5: Solve for x
x = 307,797,726,605.54/725,909.70 - Step 6: Final answer
x = 424,016.55
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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.