Finding the Fourth Proportional to 885,265.52, 1,221,584.36 and 503,217.68
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Solution
The fourth proportional to 885,265.52, 1,221,584.36 and 503,217.68 is: 694,393.75
Step by Step Solution
- Step 1: Write the proportion equation
885,265.52 : 1,221,584.36 = 503,217.68 : x - Step 2: Convert to fraction form
885,265.52/1,221,584.36 = 503,217.68/x - Step 3: Cross multiply
885,265.52x = 1,221,584.36 × 503,217.68 - Step 4: Simplify right side
885,265.52x = 614,722,847,563.49 - Step 5: Solve for x
x = 614,722,847,563.49/885,265.52 - Step 6: Final answer
x = 694,393.75
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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.