Finding the Fourth Proportional to 758,043.36, 1,046,072.88 and 418,510.80
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Solution
The fourth proportional to 758,043.36, 1,046,072.88 and 418,510.80 is: 577,530.02
Step by Step Solution
- Step 1: Write the proportion equation
758,043.36 : 1,046,072.88 = 418,510.80 : x - Step 2: Convert to fraction form
758,043.36/1,046,072.88 = 418,510.80/x - Step 3: Cross multiply
758,043.36x = 1,046,072.88 × 418,510.80 - Step 4: Simplify right side
758,043.36x = 437,792,797,867.10 - Step 5: Solve for x
x = 437,792,797,867.10/758,043.36 - Step 6: Final answer
x = 577,530.02
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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.