Finding the Fourth Proportional to 524,092.80, 784,972.80 and 430,780.80
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Solution
The fourth proportional to 524,092.80, 784,972.80 and 430,780.80 is: 645,212.47
Step by Step Solution
- Step 1: Write the proportion equation
524,092.80 : 784,972.80 = 430,780.80 : x - Step 2: Convert to fraction form
524,092.80/784,972.80 = 430,780.80/x - Step 3: Cross multiply
524,092.80x = 784,972.80 × 430,780.80 - Step 4: Simplify right side
524,092.80x = 338,151,210,762.24 - Step 5: Solve for x
x = 338,151,210,762.24/524,092.80 - Step 6: Final answer
x = 645,212.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.