Finding the Fourth Proportional to 531,805.30, 733,895.99 and 290,088.95
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Solution
The fourth proportional to 531,805.30, 733,895.99 and 290,088.95 is: 400,325.30
Step by Step Solution
- Step 1: Write the proportion equation
531,805.30 : 733,895.99 = 290,088.95 : x - Step 2: Convert to fraction form
531,805.30/733,895.99 = 290,088.95/x - Step 3: Cross multiply
531,805.30x = 733,895.99 × 290,088.95 - Step 4: Simplify right side
531,805.30x = 212,895,114,747.97 - Step 5: Solve for x
x = 212,895,114,747.97/531,805.30 - Step 6: Final answer
x = 400,325.30
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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.