Finding the Fourth Proportional to 763,956.99, 1,054,257.11 and 419,814.31
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Solution
The fourth proportional to 763,956.99, 1,054,257.11 and 419,814.31 is: 579,341.80
Step by Step Solution
- Step 1: Write the proportion equation
763,956.99 : 1,054,257.11 = 419,814.31 : x - Step 2: Convert to fraction form
763,956.99/1,054,257.11 = 419,814.31/x - Step 3: Cross multiply
763,956.99x = 1,054,257.11 × 419,814.31 - Step 4: Simplify right side
763,956.99x = 442,592,221,197.24 - Step 5: Solve for x
x = 442,592,221,197.24/763,956.99 - Step 6: Final answer
x = 579,341.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.