Finding the Fourth Proportional to 489,087.98, 732,548.17 and 375,935.02
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Solution
The fourth proportional to 489,087.98, 732,548.17 and 375,935.02 is: 563,069.47
Step by Step Solution
- Step 1: Write the proportion equation
489,087.98 : 732,548.17 = 375,935.02 : x - Step 2: Convert to fraction form
489,087.98/732,548.17 = 375,935.02/x - Step 3: Cross multiply
489,087.98x = 732,548.17 × 375,935.02 - Step 4: Simplify right side
489,087.98x = 275,390,510,939.91 - Step 5: Solve for x
x = 275,390,510,939.91/489,087.98 - Step 6: Final answer
x = 563,069.47
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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.