Finding the Fourth Proportional to 993,462, 1,490,415.12 and 362,375.79
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Solution
The fourth proportional to 993,462, 1,490,415.12 and 362,375.79 is: 543,644.71
Step by Step Solution
- Step 1: Write the proportion equation
993,462 : 1,490,415.12 = 362,375.79 : x - Step 2: Convert to fraction form
993,462/1,490,415.12 = 362,375.79/x - Step 3: Cross multiply
993,462x = 1,490,415.12 × 362,375.79 - Step 4: Simplify right side
993,462x = 540,090,356,537.95 - Step 5: Solve for x
x = 540,090,356,537.95/993,462 - Step 6: Final answer
x = 543,644.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.