Finding the Fourth Proportional to 885,246.84, 1,221,595.02 and 482,761.08
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Solution
The fourth proportional to 885,246.84, 1,221,595.02 and 482,761.08 is: 666,185.41
Step by Step Solution
- Step 1: Write the proportion equation
885,246.84 : 1,221,595.02 = 482,761.08 : x - Step 2: Convert to fraction form
885,246.84/1,221,595.02 = 482,761.08/x - Step 3: Cross multiply
885,246.84x = 1,221,595.02 × 482,761.08 - Step 4: Simplify right side
885,246.84x = 589,738,531,177.82 - Step 5: Solve for x
x = 589,738,531,177.82/885,246.84 - Step 6: Final answer
x = 666,185.41
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1.5x scale
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.