Finding the Fourth Proportional to 884,069.82, 1,220,162.58 and 521,582.28
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Solution
The fourth proportional to 884,069.82, 1,220,162.58 and 521,582.28 is: 719,869.82
Step by Step Solution
- Step 1: Write the proportion equation
884,069.82 : 1,220,162.58 = 521,582.28 : x - Step 2: Convert to fraction form
884,069.82/1,220,162.58 = 521,582.28/x - Step 3: Cross multiply
884,069.82x = 1,220,162.58 × 521,582.28 - Step 4: Simplify right side
884,069.82x = 636,415,180,447.08 - Step 5: Solve for x
x = 636,415,180,447.08/884,069.82 - Step 6: Final answer
x = 719,869.82
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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.