Finding the Fourth Proportional to 907,811.68, 1,362,923.76 and 775,541.92
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Solution
The fourth proportional to 907,811.68, 1,362,923.76 and 775,541.92 is: 1,164,343.37
Step by Step Solution
- Step 1: Write the proportion equation
907,811.68 : 1,362,923.76 = 775,541.92 : x - Step 2: Convert to fraction form
907,811.68/1,362,923.76 = 775,541.92/x - Step 3: Cross multiply
907,811.68x = 1,362,923.76 × 775,541.92 - Step 4: Simplify right side
907,811.68x = 1,057,004,509,644.02 - Step 5: Solve for x
x = 1,057,004,509,644.02/907,811.68 - Step 6: Final answer
x = 1,164,343.37
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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.