Finding the Fourth Proportional to 885,395.92, 1,221,723.12 and 503,380.48
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Solution
The fourth proportional to 885,395.92, 1,221,723.12 and 503,380.48 is: 694,594.99
Step by Step Solution
- Step 1: Write the proportion equation
885,395.92 : 1,221,723.12 = 503,380.48 : x - Step 2: Convert to fraction form
885,395.92/1,221,723.12 = 503,380.48/x - Step 3: Cross multiply
885,395.92x = 1,221,723.12 × 503,380.48 - Step 4: Simplify right side
885,395.92x = 614,991,570,572.70 - Step 5: Solve for x
x = 614,991,570,572.70/885,395.92 - Step 6: Final answer
x = 694,594.99
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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.