Finding the Fourth Proportional to 873,675.63, 1,205,472.92 and 491,562.99
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Solution
The fourth proportional to 873,675.63, 1,205,472.92 and 491,562.99 is: 678,244.71
Step by Step Solution
- Step 1: Write the proportion equation
873,675.63 : 1,205,472.92 = 491,562.99 : x - Step 2: Convert to fraction form
873,675.63/1,205,472.92 = 491,562.99/x - Step 3: Cross multiply
873,675.63x = 1,205,472.92 × 491,562.99 - Step 4: Simplify right side
873,675.63x = 592,565,870,461.42 - Step 5: Solve for x
x = 592,565,870,461.42/873,675.63 - Step 6: Final answer
x = 678,244.71
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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.