Finding the Fourth Proportional to 885,263.52, 1,221,581.60 and 503,215.68
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Solution
The fourth proportional to 885,263.52, 1,221,581.60 and 503,215.68 is: 694,390.99
Step by Step Solution
- Step 1: Write the proportion equation
885,263.52 : 1,221,581.60 = 503,215.68 : x - Step 2: Convert to fraction form
885,263.52/1,221,581.60 = 503,215.68/x - Step 3: Cross multiply
885,263.52x = 1,221,581.60 × 503,215.68 - Step 4: Simplify right side
885,263.52x = 614,719,015,519.49 - Step 5: Solve for x
x = 614,719,015,519.49/885,263.52 - Step 6: Final answer
x = 694,390.99
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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.