Finding the Fourth Proportional to 898,396.68, 1,239,788.16 and 495,988.68
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Solution
The fourth proportional to 898,396.68, 1,239,788.16 and 495,988.68 is: 684,464.79
Step by Step Solution
- Step 1: Write the proportion equation
898,396.68 : 1,239,788.16 = 495,988.68 : x - Step 2: Convert to fraction form
898,396.68/1,239,788.16 = 495,988.68/x - Step 3: Cross multiply
898,396.68x = 1,239,788.16 × 495,988.68 - Step 4: Simplify right side
898,396.68x = 614,920,892,958.03 - Step 5: Solve for x
x = 614,920,892,958.03/898,396.68 - Step 6: Final answer
x = 684,464.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.