Finding the Fourth Proportional to 875,718.98, 1,208,491.64 and 473,310.98
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Solution
The fourth proportional to 875,718.98, 1,208,491.64 and 473,310.98 is: 653,168.85
Step by Step Solution
- Step 1: Write the proportion equation
875,718.98 : 1,208,491.64 = 473,310.98 : x - Step 2: Convert to fraction form
875,718.98/1,208,491.64 = 473,310.98/x - Step 3: Cross multiply
875,718.98x = 1,208,491.64 × 473,310.98 - Step 4: Simplify right side
875,718.98x = 571,992,362,450.21 - Step 5: Solve for x
x = 571,992,362,450.21/875,718.98 - Step 6: Final answer
x = 653,168.85
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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.