Finding the Fourth Proportional to 497,923.24, 687,130.92 and 283,063.30
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Solution
The fourth proportional to 497,923.24, 687,130.92 and 283,063.30 is: 390,625.56
Step by Step Solution
- Step 1: Write the proportion equation
497,923.24 : 687,130.92 = 283,063.30 : x - Step 2: Convert to fraction form
497,923.24/687,130.92 = 283,063.30/x - Step 3: Cross multiply
497,923.24x = 687,130.92 × 283,063.30 - Step 4: Simplify right side
497,923.24x = 194,501,545,747.24 - Step 5: Solve for x
x = 194,501,545,747.24/497,923.24 - Step 6: Final answer
x = 390,625.56
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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.