Finding the Fourth Proportional to 524,143.71, 723,771.99 and 497,239.29
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Solution
The fourth proportional to 524,143.71, 723,771.99 and 497,239.29 is: 686,620.60
Step by Step Solution
- Step 1: Write the proportion equation
524,143.71 : 723,771.99 = 497,239.29 : x - Step 2: Convert to fraction form
524,143.71/723,771.99 = 497,239.29/x - Step 3: Cross multiply
524,143.71x = 723,771.99 × 497,239.29 - Step 4: Simplify right side
524,143.71x = 359,887,870,429.49 - Step 5: Solve for x
x = 359,887,870,429.49/524,143.71 - Step 6: Final answer
x = 686,620.60
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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.