Finding the Fourth Proportional to 783,472.83, 1,175,209.62 and 517,171.09
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Solution
The fourth proportional to 783,472.83, 1,175,209.62 and 517,171.09 is: 775,756.88
Step by Step Solution
- Step 1: Write the proportion equation
783,472.83 : 1,175,209.62 = 517,171.09 : x - Step 2: Convert to fraction form
783,472.83/1,175,209.62 = 517,171.09/x - Step 3: Cross multiply
783,472.83x = 1,175,209.62 × 517,171.09 - Step 4: Simplify right side
783,472.83x = 607,784,440,153.89 - Step 5: Solve for x
x = 607,784,440,153.89/783,472.83 - Step 6: Final answer
x = 775,756.88
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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.