Finding the Fourth Proportional to 835,408.04, 1,152,832.25 and 453,426.62
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Solution
The fourth proportional to 835,408.04, 1,152,832.25 and 453,426.62 is: 625,711.99
Step by Step Solution
- Step 1: Write the proportion equation
835,408.04 : 1,152,832.25 = 453,426.62 : x - Step 2: Convert to fraction form
835,408.04/1,152,832.25 = 453,426.62/x - Step 3: Cross multiply
835,408.04x = 1,152,832.25 × 453,426.62 - Step 4: Simplify right side
835,408.04x = 522,724,822,513.20 - Step 5: Solve for x
x = 522,724,822,513.20/835,408.04 - Step 6: Final answer
x = 625,711.99
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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.