Finding the Fourth Proportional to 907,689.06, 1,361,681.37 and 268,057.53
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Solution
The fourth proportional to 907,689.06, 1,361,681.37 and 268,057.53 is: 402,129.94
Step by Step Solution
- Step 1: Write the proportion equation
907,689.06 : 1,361,681.37 = 268,057.53 : x - Step 2: Convert to fraction form
907,689.06/1,361,681.37 = 268,057.53/x - Step 3: Cross multiply
907,689.06x = 1,361,681.37 × 268,057.53 - Step 4: Simplify right side
907,689.06x = 365,008,944,689.22 - Step 5: Solve for x
x = 365,008,944,689.22/907,689.06 - Step 6: Final answer
x = 402,129.94
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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.