Finding the Fourth Proportional to 842,728.68, 1,162,967.67 and 460,780.11
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Solution
The fourth proportional to 842,728.68, 1,162,967.67 and 460,780.11 is: 635,877.70
Step by Step Solution
- Step 1: Write the proportion equation
842,728.68 : 1,162,967.67 = 460,780.11 : x - Step 2: Convert to fraction form
842,728.68/1,162,967.67 = 460,780.11/x - Step 3: Cross multiply
842,728.68x = 1,162,967.67 × 460,780.11 - Step 4: Simplify right side
842,728.68x = 535,872,370,909.04 - Step 5: Solve for x
x = 535,872,370,909.04/842,728.68 - Step 6: Final answer
x = 635,877.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.