Finding the Fourth Proportional to 916,990.24, 1,375,480.56 and 498,923.68
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Solution
The fourth proportional to 916,990.24, 1,375,480.56 and 498,923.68 is: 748,382.91
Step by Step Solution
- Step 1: Write the proportion equation
916,990.24 : 1,375,480.56 = 498,923.68 : x - Step 2: Convert to fraction form
916,990.24/1,375,480.56 = 498,923.68/x - Step 3: Cross multiply
916,990.24x = 1,375,480.56 × 498,923.68 - Step 4: Simplify right side
916,990.24x = 686,259,822,763.66 - Step 5: Solve for x
x = 686,259,822,763.66/916,990.24 - Step 6: Final answer
x = 748,382.91
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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.