Finding the Fourth Proportional to 888,965.76, 1,226,764.08 and 481,058.88
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Solution
The fourth proportional to 888,965.76, 1,226,764.08 and 481,058.88 is: 663,856.56
Step by Step Solution
- Step 1: Write the proportion equation
888,965.76 : 1,226,764.08 = 481,058.88 : x - Step 2: Convert to fraction form
888,965.76/1,226,764.08 = 481,058.88/x - Step 3: Cross multiply
888,965.76x = 1,226,764.08 × 481,058.88 - Step 4: Simplify right side
888,965.76x = 590,145,754,349.03 - Step 5: Solve for x
x = 590,145,754,349.03/888,965.76 - Step 6: Final answer
x = 663,856.56
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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.