Finding the Fourth Proportional to 986,252.70, 1,479,427.65 and 513,860.70
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Solution
The fourth proportional to 986,252.70, 1,479,427.65 and 513,860.70 is: 770,816.37
Step by Step Solution
- Step 1: Write the proportion equation
986,252.70 : 1,479,427.65 = 513,860.70 : x - Step 2: Convert to fraction form
986,252.70/1,479,427.65 = 513,860.70/x - Step 3: Cross multiply
986,252.70x = 1,479,427.65 × 513,860.70 - Step 4: Simplify right side
986,252.70x = 760,219,727,828.36 - Step 5: Solve for x
x = 760,219,727,828.36/986,252.70 - Step 6: Final answer
x = 770,816.37
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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.