Finding the Fourth Proportional to 907,809.68, 1,362,920.76 and 775,539.92
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Solution
The fourth proportional to 907,809.68, 1,362,920.76 and 775,539.92 is: 1,164,340.37
Step by Step Solution
- Step 1: Write the proportion equation
907,809.68 : 1,362,920.76 = 775,539.92 : x - Step 2: Convert to fraction form
907,809.68/1,362,920.76 = 775,539.92/x - Step 3: Cross multiply
907,809.68x = 1,362,920.76 × 775,539.92 - Step 4: Simplify right side
907,809.68x = 1,056,999,457,176.74 - Step 5: Solve for x
x = 1,056,999,457,176.74/907,809.68 - Step 6: Final answer
x = 1,164,340.37
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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.