Finding the Fourth Proportional to 556,916.20, 768,545.02 and 302,267.44
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Solution
The fourth proportional to 556,916.20, 768,545.02 and 302,267.44 is: 417,129.43
Step by Step Solution
- Step 1: Write the proportion equation
556,916.20 : 768,545.02 = 302,267.44 : x - Step 2: Convert to fraction form
556,916.20/768,545.02 = 302,267.44/x - Step 3: Cross multiply
556,916.20x = 768,545.02 × 302,267.44 - Step 4: Simplify right side
556,916.20x = 232,306,135,720.15 - Step 5: Solve for x
x = 232,306,135,720.15/556,916.20 - Step 6: Final answer
x = 417,129.43
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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.