Finding the Fourth Proportional to 808,998.98, 1,212,935.66 and 409,366.42
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Solution
The fourth proportional to 808,998.98, 1,212,935.66 and 409,366.42 is: 613,764.84
Step by Step Solution
- Step 1: Write the proportion equation
808,998.98 : 1,212,935.66 = 409,366.42 : x - Step 2: Convert to fraction form
808,998.98/1,212,935.66 = 409,366.42/x - Step 3: Cross multiply
808,998.98x = 1,212,935.66 × 409,366.42 - Step 4: Simplify right side
808,998.98x = 496,535,126,698.36 - Step 5: Solve for x
x = 496,535,126,698.36/808,998.98 - Step 6: Final answer
x = 613,764.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.