Finding the Fourth Proportional to 665,573.09, 998,808.86 and 260,715.08
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Solution
The fourth proportional to 665,573.09, 998,808.86 and 260,715.08 is: 391,248.60
Step by Step Solution
- Step 1: Write the proportion equation
665,573.09 : 998,808.86 = 260,715.08 : x - Step 2: Convert to fraction form
665,573.09/998,808.86 = 260,715.08/x - Step 3: Cross multiply
665,573.09x = 998,808.86 × 260,715.08 - Step 4: Simplify right side
665,573.09x = 260,404,534,988.42 - Step 5: Solve for x
x = 260,404,534,988.42/665,573.09 - Step 6: Final answer
x = 391,248.60
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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.