Finding the Fourth Proportional to 804,799.84, 1,110,623.46 and 442,247.08
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Solution
The fourth proportional to 804,799.84, 1,110,623.46 and 442,247.08 is: 610,300.79
Step by Step Solution
- Step 1: Write the proportion equation
804,799.84 : 1,110,623.46 = 442,247.08 : x - Step 2: Convert to fraction form
804,799.84/1,110,623.46 = 442,247.08/x - Step 3: Cross multiply
804,799.84x = 1,110,623.46 × 442,247.08 - Step 4: Simplify right side
804,799.84x = 491,169,982,164.50 - Step 5: Solve for x
x = 491,169,982,164.50/804,799.84 - Step 6: Final answer
x = 610,300.79
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1.5x scale
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.