Finding the Fourth Proportional to 576,551.08, 864,829.69 and 378,128.00
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Solution
The fourth proportional to 576,551.08, 864,829.69 and 378,128.00 is: 567,194.01
Step by Step Solution
- Step 1: Write the proportion equation
576,551.08 : 864,829.69 = 378,128.00 : x - Step 2: Convert to fraction form
576,551.08/864,829.69 = 378,128.00/x - Step 3: Cross multiply
576,551.08x = 864,829.69 × 378,128.00 - Step 4: Simplify right side
576,551.08x = 327,016,319,499.38 - Step 5: Solve for x
x = 327,016,319,499.38/576,551.08 - Step 6: Final answer
x = 567,194.01
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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.