Finding the Fourth Proportional to 885,451.19, 1,221,917.00 and 503,478
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Solution
The fourth proportional to 885,451.19, 1,221,917.00 and 503,478 is: 694,796.43
Step by Step Solution
- Step 1: Write the proportion equation
885,451.19 : 1,221,917.00 = 503,478 : x - Step 2: Convert to fraction form
885,451.19/1,221,917.00 = 503,478/x - Step 3: Cross multiply
885,451.19x = 1,221,917.00 × 503,478 - Step 4: Simplify right side
885,451.19x = 615,208,324,808.61 - Step 5: Solve for x
x = 615,208,324,808.61/885,451.19 - Step 6: Final answer
x = 694,796.43
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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.