Finding the Fourth Proportional to 478,502.44, 660,330.12 and 263,637.52
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Solution
The fourth proportional to 478,502.44, 660,330.12 and 263,637.52 is: 363,817.99
Step by Step Solution
- Step 1: Write the proportion equation
478,502.44 : 660,330.12 = 263,637.52 : x - Step 2: Convert to fraction form
478,502.44/660,330.12 = 263,637.52/x - Step 3: Cross multiply
478,502.44x = 660,330.12 × 263,637.52 - Step 4: Simplify right side
478,502.44x = 174,087,795,218.10 - Step 5: Solve for x
x = 174,087,795,218.10/478,502.44 - Step 6: Final answer
x = 363,817.99
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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.