Finding the Fourth Proportional to 1,543,461.24, 2,315,736.18 and 478,771.32
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Solution
The fourth proportional to 1,543,461.24, 2,315,736.18 and 478,771.32 is: 718,325.82
Step by Step Solution
- Step 1: Write the proportion equation
1,543,461.24 : 2,315,736.18 = 478,771.32 : x - Step 2: Convert to fraction form
1,543,461.24/2,315,736.18 = 478,771.32/x - Step 3: Cross multiply
1,543,461.24x = 2,315,736.18 × 478,771.32 - Step 4: Simplify right side
1,543,461.24x = 1,108,708,067,670.36 - Step 5: Solve for x
x = 1,108,708,067,670.36/1,543,461.24 - Step 6: Final answer
x = 718,325.82
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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.