Finding the Fourth Proportional to 449,567.08, 671,071.16 and 392,815.44
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Solution
The fourth proportional to 449,567.08, 671,071.16 and 392,815.44 is: 586,357.69
Step by Step Solution
- Step 1: Write the proportion equation
449,567.08 : 671,071.16 = 392,815.44 : x - Step 2: Convert to fraction form
449,567.08/671,071.16 = 392,815.44/x - Step 3: Cross multiply
449,567.08x = 671,071.16 × 392,815.44 - Step 4: Simplify right side
449,567.08x = 263,607,113,968.75 - Step 5: Solve for x
x = 263,607,113,968.75/449,567.08 - Step 6: Final answer
x = 586,357.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.