Finding the Fourth Proportional to 756,731.76, 1,134,565.40 and 351,493.74
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Solution
The fourth proportional to 756,731.76, 1,134,565.40 and 351,493.74 is: 526,993.39
Step by Step Solution
- Step 1: Write the proportion equation
756,731.76 : 1,134,565.40 = 351,493.74 : x - Step 2: Convert to fraction form
756,731.76/1,134,565.40 = 351,493.74/x - Step 3: Cross multiply
756,731.76x = 1,134,565.40 × 351,493.74 - Step 4: Simplify right side
756,731.76x = 398,792,635,720.60 - Step 5: Solve for x
x = 398,792,635,720.60/756,731.76 - Step 6: Final answer
x = 526,993.39
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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.