Finding the Fourth Proportional to 715,584.24, 1,073,212.30 and 427,477.08
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Solution
The fourth proportional to 715,584.24, 1,073,212.30 and 427,477.08 is: 641,117.61
Step by Step Solution
- Step 1: Write the proportion equation
715,584.24 : 1,073,212.30 = 427,477.08 : x - Step 2: Convert to fraction form
715,584.24/1,073,212.30 = 427,477.08/x - Step 3: Cross multiply
715,584.24x = 1,073,212.30 × 427,477.08 - Step 4: Simplify right side
715,584.24x = 458,773,660,224.08 - Step 5: Solve for x
x = 458,773,660,224.08/715,584.24 - Step 6: Final answer
x = 641,117.61
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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.