Finding the Fourth Proportional to 539,896.80, 808,678.80 and 446,584.80
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Solution
The fourth proportional to 539,896.80, 808,678.80 and 446,584.80 is: 668,912.39
Step by Step Solution
- Step 1: Write the proportion equation
539,896.80 : 808,678.80 = 446,584.80 : x - Step 2: Convert to fraction form
539,896.80/808,678.80 = 446,584.80/x - Step 3: Cross multiply
539,896.80x = 808,678.80 × 446,584.80 - Step 4: Simplify right side
539,896.80x = 361,143,660,162.24 - Step 5: Solve for x
x = 361,143,660,162.24/539,896.80 - Step 6: Final answer
x = 668,912.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.