Finding the Fourth Proportional to 1,543,459.24, 2,315,733.18 and 478,769.32
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Solution
The fourth proportional to 1,543,459.24, 2,315,733.18 and 478,769.32 is: 718,322.82
Step by Step Solution
- Step 1: Write the proportion equation
1,543,459.24 : 2,315,733.18 = 478,769.32 : x - Step 2: Convert to fraction form
1,543,459.24/2,315,733.18 = 478,769.32/x - Step 3: Cross multiply
1,543,459.24x = 2,315,733.18 × 478,769.32 - Step 4: Simplify right side
1,543,459.24x = 1,108,701,999,890.04 - Step 5: Solve for x
x = 1,108,701,999,890.04/1,543,459.24 - Step 6: Final answer
x = 718,322.82
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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.