Finding the Fourth Proportional to 777,478.15, 1,072,925.19 and 433,336.26
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Solution
The fourth proportional to 777,478.15, 1,072,925.19 and 433,336.26 is: 598,007.01
Step by Step Solution
- Step 1: Write the proportion equation
777,478.15 : 1,072,925.19 = 433,336.26 : x - Step 2: Convert to fraction form
777,478.15/1,072,925.19 = 433,336.26/x - Step 3: Cross multiply
777,478.15x = 1,072,925.19 × 433,336.26 - Step 4: Simplify right side
777,478.15x = 464,937,384,065.05 - Step 5: Solve for x
x = 464,937,384,065.05/777,478.15 - Step 6: Final answer
x = 598,007.01
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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.