Finding the Fourth Proportional to 462,943.79, 694,041.97 and 425,576.80
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Solution
The fourth proportional to 462,943.79, 694,041.97 and 425,576.80 is: 638,021.65
Step by Step Solution
- Step 1: Write the proportion equation
462,943.79 : 694,041.97 = 425,576.80 : x - Step 2: Convert to fraction form
462,943.79/694,041.97 = 425,576.80/x - Step 3: Cross multiply
462,943.79x = 694,041.97 × 425,576.80 - Step 4: Simplify right side
462,943.79x = 295,368,160,658.30 - Step 5: Solve for x
x = 295,368,160,658.30/462,943.79 - Step 6: Final answer
x = 638,021.65
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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.