Finding the Fourth Proportional to 725,054.65, 1,087,575.05 and 440,823.68
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Solution
The fourth proportional to 725,054.65, 1,087,575.05 and 440,823.68 is: 661,231.31
Step by Step Solution
- Step 1: Write the proportion equation
725,054.65 : 1,087,575.05 = 440,823.68 : x - Step 2: Convert to fraction form
725,054.65/1,087,575.05 = 440,823.68/x - Step 3: Cross multiply
725,054.65x = 1,087,575.05 × 440,823.68 - Step 4: Simplify right side
725,054.65x = 479,428,835,817.18 - Step 5: Solve for x
x = 479,428,835,817.18/725,054.65 - Step 6: Final answer
x = 661,231.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.