Finding the Fourth Proportional to 874,737.76, 1,312,521.36 and 520,451.68
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Solution
The fourth proportional to 874,737.76, 1,312,521.36 and 520,451.68 is: 780,924.27
Step by Step Solution
- Step 1: Write the proportion equation
874,737.76 : 1,312,521.36 = 520,451.68 : x - Step 2: Convert to fraction form
874,737.76/1,312,521.36 = 520,451.68/x - Step 3: Cross multiply
874,737.76x = 1,312,521.36 × 520,451.68 - Step 4: Simplify right side
874,737.76x = 683,103,946,847.89 - Step 5: Solve for x
x = 683,103,946,847.89/874,737.76 - Step 6: Final answer
x = 780,924.27
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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.