Finding the Fourth Proportional to 839,453.99, 1,158,412.71 and 457,472.57
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Solution
The fourth proportional to 839,453.99, 1,158,412.71 and 457,472.57 is: 631,293.73
Step by Step Solution
- Step 1: Write the proportion equation
839,453.99 : 1,158,412.71 = 457,472.57 : x - Step 2: Convert to fraction form
839,453.99/1,158,412.71 = 457,472.57/x - Step 3: Cross multiply
839,453.99x = 1,158,412.71 × 457,472.57 - Step 4: Simplify right side
839,453.99x = 529,942,039,564.37 - Step 5: Solve for x
x = 529,942,039,564.37/839,453.99 - Step 6: Final answer
x = 631,293.73
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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.