Finding the Fourth Proportional to 884,684.65, 1,220,828.62 and 497,489.05
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Solution
The fourth proportional to 884,684.65, 1,220,828.62 and 497,489.05 is: 686,514.53
Step by Step Solution
- Step 1: Write the proportion equation
884,684.65 : 1,220,828.62 = 497,489.05 : x - Step 2: Convert to fraction form
884,684.65/1,220,828.62 = 497,489.05/x - Step 3: Cross multiply
884,684.65x = 1,220,828.62 × 497,489.05 - Step 4: Simplify right side
884,684.65x = 607,348,870,376.61 - Step 5: Solve for x
x = 607,348,870,376.61/884,684.65 - Step 6: Final answer
x = 686,514.53
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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.