Finding the Fourth Proportional to 531,765.46, 733,838.62 and 290,053.23
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Solution
The fourth proportional to 531,765.46, 733,838.62 and 290,053.23 is: 400,274.70
Step by Step Solution
- Step 1: Write the proportion equation
531,765.46 : 733,838.62 = 290,053.23 : x - Step 2: Convert to fraction form
531,765.46/733,838.62 = 290,053.23/x - Step 3: Cross multiply
531,765.46x = 733,838.62 × 290,053.23 - Step 4: Simplify right side
531,765.46x = 212,852,262,029.74 - Step 5: Solve for x
x = 212,852,262,029.74/531,765.46 - Step 6: Final answer
x = 400,274.70
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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.