Finding the Fourth Proportional to 524,416.80, 723,689.92 and 291,839.80
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Solution
The fourth proportional to 524,416.80, 723,689.92 and 291,839.80 is: 402,735.99
Step by Step Solution
- Step 1: Write the proportion equation
524,416.80 : 723,689.92 = 291,839.80 : x - Step 2: Convert to fraction form
524,416.80/723,689.92 = 291,839.80/x - Step 3: Cross multiply
524,416.80x = 723,689.92 × 291,839.80 - Step 4: Simplify right side
524,416.80x = 211,201,521,514.82 - Step 5: Solve for x
x = 211,201,521,514.82/524,416.80 - Step 6: Final answer
x = 402,735.99
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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.