Finding the Fourth Proportional to 663,089.60, 993,463.20 and 641,163.20
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Solution
The fourth proportional to 663,089.60, 993,463.20 and 641,163.20 is: 960,612.33
Step by Step Solution
- Step 1: Write the proportion equation
663,089.60 : 993,463.20 = 641,163.20 : x - Step 2: Convert to fraction form
663,089.60/993,463.20 = 641,163.20/x - Step 3: Cross multiply
663,089.60x = 993,463.20 × 641,163.20 - Step 4: Simplify right side
663,089.60x = 636,972,044,394.24 - Step 5: Solve for x
x = 636,972,044,394.24/663,089.60 - Step 6: Final answer
x = 960,612.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.