Finding the Fourth Proportional to 756,803.84, 1,044,397.49 and 412,637.00
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Solution
The fourth proportional to 756,803.84, 1,044,397.49 and 412,637.00 is: 569,443.52
Step by Step Solution
- Step 1: Write the proportion equation
756,803.84 : 1,044,397.49 = 412,637.00 : x - Step 2: Convert to fraction form
756,803.84/1,044,397.49 = 412,637.00/x - Step 3: Cross multiply
756,803.84x = 1,044,397.49 × 412,637.00 - Step 4: Simplify right side
756,803.84x = 430,957,039,795.96 - Step 5: Solve for x
x = 430,957,039,795.96/756,803.84 - Step 6: Final answer
x = 569,443.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.