Finding the Fourth Proportional to 901,857.67, 1,352,911.05 and 302,990.09
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Solution
The fourth proportional to 901,857.67, 1,352,911.05 and 302,990.09 is: 454,526.97
Step by Step Solution
- Step 1: Write the proportion equation
901,857.67 : 1,352,911.05 = 302,990.09 : x - Step 2: Convert to fraction form
901,857.67/1,352,911.05 = 302,990.09/x - Step 3: Cross multiply
901,857.67x = 1,352,911.05 × 302,990.09 - Step 4: Simplify right side
901,857.67x = 409,918,634,036.94 - Step 5: Solve for x
x = 409,918,634,036.94/901,857.67 - Step 6: Final answer
x = 454,526.97
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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.