Finding the Fourth Proportional to 900,246.39, 1,348,989.11 and 611,690.53
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Solution
The fourth proportional to 900,246.39, 1,348,989.11 and 611,690.53 is: 916,597.80
Step by Step Solution
- Step 1: Write the proportion equation
900,246.39 : 1,348,989.11 = 611,690.53 : x - Step 2: Convert to fraction form
900,246.39/1,348,989.11 = 611,690.53/x - Step 3: Cross multiply
900,246.39x = 1,348,989.11 × 611,690.53 - Step 4: Simplify right side
900,246.39x = 825,163,863,660.13 - Step 5: Solve for x
x = 825,163,863,660.13/900,246.39 - Step 6: Final answer
x = 916,597.80
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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.