Finding the Fourth Proportional to 408,756.28, 616,973.99 and 408,756.28
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Solution
The fourth proportional to 408,756.28, 616,973.99 and 408,756.28 is: 616,973.99
Step by Step Solution
- Step 1: Write the proportion equation
408,756.28 : 616,973.99 = 408,756.28 : x - Step 2: Convert to fraction form
408,756.28/616,973.99 = 408,756.28/x - Step 3: Cross multiply
408,756.28x = 616,973.99 × 408,756.28 - Step 4: Simplify right side
408,756.28x = 252,191,990,965.38 - Step 5: Solve for x
x = 252,191,990,965.38/408,756.28 - Step 6: Final answer
x = 616,973.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.