Finding the Fourth Proportional to 879,223.05, 1,318,545.39 and 310,500.99
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Solution
The fourth proportional to 879,223.05, 1,318,545.39 and 310,500.99 is: 465,649.36
Step by Step Solution
- Step 1: Write the proportion equation
879,223.05 : 1,318,545.39 = 310,500.99 : x - Step 2: Convert to fraction form
879,223.05/1,318,545.39 = 310,500.99/x - Step 3: Cross multiply
879,223.05x = 1,318,545.39 × 310,500.99 - Step 4: Simplify right side
879,223.05x = 409,409,648,954.94 - Step 5: Solve for x
x = 409,409,648,954.94/879,223.05 - Step 6: Final answer
x = 465,649.36
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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.