Finding the Fourth Proportional to 1,543,458.24, 2,315,731.68 and 478,768.32
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Solution
The fourth proportional to 1,543,458.24, 2,315,731.68 and 478,768.32 is: 718,321.32
Step by Step Solution
- Step 1: Write the proportion equation
1,543,458.24 : 2,315,731.68 = 478,768.32 : x - Step 2: Convert to fraction form
1,543,458.24/2,315,731.68 = 478,768.32/x - Step 3: Cross multiply
1,543,458.24x = 2,315,731.68 × 478,768.32 - Step 4: Simplify right side
1,543,458.24x = 1,108,698,966,004.38 - Step 5: Solve for x
x = 1,108,698,966,004.38/1,543,458.24 - Step 6: Final answer
x = 718,321.32
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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.