Finding the Fourth Proportional to 979,257.24, 1,467,506.88 and 778,687.56
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Solution
The fourth proportional to 979,257.24, 1,467,506.88 and 778,687.56 is: 1,166,934.80
Step by Step Solution
- Step 1: Write the proportion equation
979,257.24 : 1,467,506.88 = 778,687.56 : x - Step 2: Convert to fraction form
979,257.24/1,467,506.88 = 778,687.56/x - Step 3: Cross multiply
979,257.24x = 1,467,506.88 × 778,687.56 - Step 4: Simplify right side
979,257.24x = 1,142,729,351,670.41 - Step 5: Solve for x
x = 1,142,729,351,670.41/979,257.24 - Step 6: Final answer
x = 1,166,934.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.