Finding the Fourth Proportional to 719,565.12, 1,079,150.64 and 270,251.23
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Solution
The fourth proportional to 719,565.12, 1,079,150.64 and 270,251.23 is: 405,302.84
Step by Step Solution
- Step 1: Write the proportion equation
719,565.12 : 1,079,150.64 = 270,251.23 : x - Step 2: Convert to fraction form
719,565.12/1,079,150.64 = 270,251.23/x - Step 3: Cross multiply
719,565.12x = 1,079,150.64 × 270,251.23 - Step 4: Simplify right side
719,565.12x = 291,641,787,815.29 - Step 5: Solve for x
x = 291,641,787,815.29/719,565.12 - Step 6: Final answer
x = 405,302.84
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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.