Finding the Fourth Proportional to 457,690.24, 631,388.14 and 397,175.95
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Solution
The fourth proportional to 457,690.24, 631,388.14 and 397,175.95 is: 547,908.09
Step by Step Solution
- Step 1: Write the proportion equation
457,690.24 : 631,388.14 = 397,175.95 : x - Step 2: Convert to fraction form
457,690.24/631,388.14 = 397,175.95/x - Step 3: Cross multiply
457,690.24x = 631,388.14 × 397,175.95 - Step 4: Simplify right side
457,690.24x = 250,772,184,323.23 - Step 5: Solve for x
x = 250,772,184,323.23/457,690.24 - Step 6: Final answer
x = 547,908.09
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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.