Finding the Fourth Proportional to 524,144.21, 723,772.68 and 497,239.79
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Solution
The fourth proportional to 524,144.21, 723,772.68 and 497,239.79 is: 686,621.29
Step by Step Solution
- Step 1: Write the proportion equation
524,144.21 : 723,772.68 = 497,239.79 : x - Step 2: Convert to fraction form
524,144.21/723,772.68 = 497,239.79/x - Step 3: Cross multiply
524,144.21x = 723,772.68 × 497,239.79 - Step 4: Simplify right side
524,144.21x = 359,888,575,410.94 - Step 5: Solve for x
x = 359,888,575,410.94/524,144.21 - Step 6: Final answer
x = 686,621.29
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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.