Finding the Fourth Proportional to 783,855.92, 1,176,466.44 and 447,569.84
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Solution
The fourth proportional to 783,855.92, 1,176,466.44 and 447,569.84 is: 671,744.49
Step by Step Solution
- Step 1: Write the proportion equation
783,855.92 : 1,176,466.44 = 447,569.84 : x - Step 2: Convert to fraction form
783,855.92/1,176,466.44 = 447,569.84/x - Step 3: Cross multiply
783,855.92x = 1,176,466.44 × 447,569.84 - Step 4: Simplify right side
783,855.92x = 526,550,896,316.17 - Step 5: Solve for x
x = 526,550,896,316.17/783,855.92 - Step 6: Final answer
x = 671,744.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.