Finding the Fourth Proportional to 884,398.97, 1,220,474.69 and 502,446.71
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Solution
The fourth proportional to 884,398.97, 1,220,474.69 and 502,446.71 is: 693,378.80
Step by Step Solution
- Step 1: Write the proportion equation
884,398.97 : 1,220,474.69 = 502,446.71 : x - Step 2: Convert to fraction form
884,398.97/1,220,474.69 = 502,446.71/x - Step 3: Cross multiply
884,398.97x = 1,220,474.69 × 502,446.71 - Step 4: Simplify right side
884,398.97x = 613,223,492,628.77 - Step 5: Solve for x
x = 613,223,492,628.77/884,398.97 - Step 6: Final answer
x = 693,378.80
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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.