Finding the Fourth Proportional to 986,097.76, 1,479,230.98 and 346,345.81
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Solution
The fourth proportional to 986,097.76, 1,479,230.98 and 346,345.81 is: 519,548.34
Step by Step Solution
- Step 1: Write the proportion equation
986,097.76 : 1,479,230.98 = 346,345.81 : x - Step 2: Convert to fraction form
986,097.76/1,479,230.98 = 346,345.81/x - Step 3: Cross multiply
986,097.76x = 1,479,230.98 × 346,345.81 - Step 4: Simplify right side
986,097.76x = 512,325,451,945.19 - Step 5: Solve for x
x = 512,325,451,945.19/986,097.76 - Step 6: Final answer
x = 519,548.34
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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.