Finding the Fourth Proportional to 725,209.84, 1,087,806.66 and 440,978.68
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Solution
The fourth proportional to 725,209.84, 1,087,806.66 and 440,978.68 is: 661,463.09
Step by Step Solution
- Step 1: Write the proportion equation
725,209.84 : 1,087,806.66 = 440,978.68 : x - Step 2: Convert to fraction form
725,209.84/1,087,806.66 = 440,978.68/x - Step 3: Cross multiply
725,209.84x = 1,087,806.66 × 440,978.68 - Step 4: Simplify right side
725,209.84x = 479,699,545,022.01 - Step 5: Solve for x
x = 479,699,545,022.01/725,209.84 - Step 6: Final answer
x = 661,463.09
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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.