Finding the Fourth Proportional to 849,722.41, 1,172,631.90 and 462,548.99
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Solution
The fourth proportional to 849,722.41, 1,172,631.90 and 462,548.99 is: 638,325.76
Step by Step Solution
- Step 1: Write the proportion equation
849,722.41 : 1,172,631.90 = 462,548.99 : x - Step 2: Convert to fraction form
849,722.41/1,172,631.90 = 462,548.99/x - Step 3: Cross multiply
849,722.41x = 1,172,631.90 × 462,548.99 - Step 4: Simplify right side
849,722.41x = 542,399,705,652.92 - Step 5: Solve for x
x = 542,399,705,652.92/849,722.41 - Step 6: Final answer
x = 638,325.76
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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.