Finding the Fourth Proportional to 725,051.84, 1,087,688.40 and 369,872.08
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Solution
The fourth proportional to 725,051.84, 1,087,688.40 and 369,872.08 is: 554,864.56
Step by Step Solution
- Step 1: Write the proportion equation
725,051.84 : 1,087,688.40 = 369,872.08 : x - Step 2: Convert to fraction form
725,051.84/1,087,688.40 = 369,872.08/x - Step 3: Cross multiply
725,051.84x = 1,087,688.40 × 369,872.08 - Step 4: Simplify right side
725,051.84x = 402,305,570,899.87 - Step 5: Solve for x
x = 402,305,570,899.87/725,051.84 - Step 6: Final answer
x = 554,864.56
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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.