Finding the Fourth Proportional to 579,041.08, 868,737.21 and 279,465.82
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Solution
The fourth proportional to 579,041.08, 868,737.21 and 279,465.82 is: 419,283.48
Step by Step Solution
- Step 1: Write the proportion equation
579,041.08 : 868,737.21 = 279,465.82 : x - Step 2: Convert to fraction form
579,041.08/868,737.21 = 279,465.82/x - Step 3: Cross multiply
579,041.08x = 868,737.21 × 279,465.82 - Step 4: Simplify right side
579,041.08x = 242,782,356,757.16 - Step 5: Solve for x
x = 242,782,356,757.16/579,041.08 - Step 6: Final answer
x = 419,283.48
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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.