Finding the Fourth Proportional to 524,332.80, 785,332.80 and 431,020.80
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Solution
The fourth proportional to 524,332.80, 785,332.80 and 431,020.80 is: 645,572.38
Step by Step Solution
- Step 1: Write the proportion equation
524,332.80 : 785,332.80 = 431,020.80 : x - Step 2: Convert to fraction form
524,332.80/785,332.80 = 431,020.80/x - Step 3: Cross multiply
524,332.80x = 785,332.80 × 431,020.80 - Step 4: Simplify right side
524,332.80x = 338,494,771,722.24 - Step 5: Solve for x
x = 338,494,771,722.24/524,332.80 - Step 6: Final answer
x = 645,572.38
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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.