Finding the Fourth Proportional to 650,176.68, 897,424.17 and 378,297.09
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Solution
The fourth proportional to 650,176.68, 897,424.17 and 378,297.09 is: 522,154.92
Step by Step Solution
- Step 1: Write the proportion equation
650,176.68 : 897,424.17 = 378,297.09 : x - Step 2: Convert to fraction form
650,176.68/897,424.17 = 378,297.09/x - Step 3: Cross multiply
650,176.68x = 897,424.17 × 378,297.09 - Step 4: Simplify right side
650,176.68x = 339,492,952,006.67 - Step 5: Solve for x
x = 339,492,952,006.67/650,176.68 - Step 6: Final answer
x = 522,154.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.