Finding the Fourth Proportional to 885,300.18, 1,221,631.81 and 503,252.18
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Solution
The fourth proportional to 885,300.18, 1,221,631.81 and 503,252.18 is: 694,441.15
Step by Step Solution
- Step 1: Write the proportion equation
885,300.18 : 1,221,631.81 = 503,252.18 : x - Step 2: Convert to fraction form
885,300.18/1,221,631.81 = 503,252.18/x - Step 3: Cross multiply
885,300.18x = 1,221,631.81 × 503,252.18 - Step 4: Simplify right side
885,300.18x = 614,788,871,539.85 - Step 5: Solve for x
x = 614,788,871,539.85/885,300.18 - Step 6: Final answer
x = 694,441.15
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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.