Finding the Fourth Proportional to 986,471.64, 1,479,750.48 and 312,602.58
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Solution
The fourth proportional to 986,471.64, 1,479,750.48 and 312,602.58 is: 468,917.50
Step by Step Solution
- Step 1: Write the proportion equation
986,471.64 : 1,479,750.48 = 312,602.58 : x - Step 2: Convert to fraction form
986,471.64/1,479,750.48 = 312,602.58/x - Step 3: Cross multiply
986,471.64x = 1,479,750.48 × 312,602.58 - Step 4: Simplify right side
986,471.64x = 462,573,817,804.24 - Step 5: Solve for x
x = 462,573,817,804.24/986,471.64 - Step 6: Final answer
x = 468,917.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.