Finding the Fourth Proportional to 777,512.62, 1,072,929.61 and 433,386.15
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Solution
The fourth proportional to 777,512.62, 1,072,929.61 and 433,386.15 is: 598,051.81
Step by Step Solution
- Step 1: Write the proportion equation
777,512.62 : 1,072,929.61 = 433,386.15 : x - Step 2: Convert to fraction form
777,512.62/1,072,929.61 = 433,386.15/x - Step 3: Cross multiply
777,512.62x = 1,072,929.61 × 433,386.15 - Step 4: Simplify right side
777,512.62x = 464,992,829,417.15 - Step 5: Solve for x
x = 464,992,829,417.15/777,512.62 - Step 6: Final answer
x = 598,051.81
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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.