Finding the Fourth Proportional to 835,441.02, 1,152,909.99 and 453,467.70
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Solution
The fourth proportional to 835,441.02, 1,152,909.99 and 453,467.70 is: 625,786.18
Step by Step Solution
- Step 1: Write the proportion equation
835,441.02 : 1,152,909.99 = 453,467.70 : x - Step 2: Convert to fraction form
835,441.02/1,152,909.99 = 453,467.70/x - Step 3: Cross multiply
835,441.02x = 1,152,909.99 × 453,467.70 - Step 4: Simplify right side
835,441.02x = 522,807,441,472.32 - Step 5: Solve for x
x = 522,807,441,472.32/835,441.02 - Step 6: Final answer
x = 625,786.18
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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.