Finding the Fourth Proportional to 804,885.18, 1,110,767.36 and 442,342.54
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Solution
The fourth proportional to 804,885.18, 1,110,767.36 and 442,342.54 is: 610,446.89
Step by Step Solution
- Step 1: Write the proportion equation
804,885.18 : 1,110,767.36 = 442,342.54 : x - Step 2: Convert to fraction form
804,885.18/1,110,767.36 = 442,342.54/x - Step 3: Cross multiply
804,885.18x = 1,110,767.36 × 442,342.54 - Step 4: Simplify right side
804,885.18x = 491,339,655,371.49 - Step 5: Solve for x
x = 491,339,655,371.49/804,885.18 - Step 6: Final answer
x = 610,446.89
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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.