Finding the Fourth Proportional to 642,962.48, 964,246.82 and 444,557.84
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Solution
The fourth proportional to 642,962.48, 964,246.82 and 444,557.84 is: 666,700.61
Step by Step Solution
- Step 1: Write the proportion equation
642,962.48 : 964,246.82 = 444,557.84 : x - Step 2: Convert to fraction form
642,962.48/964,246.82 = 444,557.84/x - Step 3: Cross multiply
642,962.48x = 964,246.82 × 444,557.84 - Step 4: Simplify right side
642,962.48x = 428,663,476,482.05 - Step 5: Solve for x
x = 428,663,476,482.05/642,962.48 - Step 6: Final answer
x = 666,700.61
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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.