Finding the Fourth Proportional to 885,302.68, 1,221,635.26 and 503,254.68
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Solution
The fourth proportional to 885,302.68, 1,221,635.26 and 503,254.68 is: 694,444.60
Step by Step Solution
- Step 1: Write the proportion equation
885,302.68 : 1,221,635.26 = 503,254.68 : x - Step 2: Convert to fraction form
885,302.68/1,221,635.26 = 503,254.68/x - Step 3: Cross multiply
885,302.68x = 1,221,635.26 × 503,254.68 - Step 4: Simplify right side
885,302.68x = 614,793,661,848.02 - Step 5: Solve for x
x = 614,793,661,848.02/885,302.68 - Step 6: Final answer
x = 694,444.60
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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.