Finding the Fourth Proportional to 569,576.88, 785,838.51 and 378,622.62
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Solution
The fourth proportional to 569,576.88, 785,838.51 and 378,622.62 is: 522,381.17
Step by Step Solution
- Step 1: Write the proportion equation
569,576.88 : 785,838.51 = 378,622.62 : x - Step 2: Convert to fraction form
569,576.88/785,838.51 = 378,622.62/x - Step 3: Cross multiply
569,576.88x = 785,838.51 × 378,622.62 - Step 4: Simplify right side
569,576.88x = 297,536,235,553.10 - Step 5: Solve for x
x = 297,536,235,553.10/569,576.88 - Step 6: Final answer
x = 522,381.17
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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.