Finding the Fourth Proportional to 586,267.20, 879,400.80 and 349,876.80
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Solution
The fourth proportional to 586,267.20, 879,400.80 and 349,876.80 is: 524,815.20
Step by Step Solution
- Step 1: Write the proportion equation
586,267.20 : 879,400.80 = 349,876.80 : x - Step 2: Convert to fraction form
586,267.20/879,400.80 = 349,876.80/x - Step 3: Cross multiply
586,267.20x = 879,400.80 × 349,876.80 - Step 4: Simplify right side
586,267.20x = 307,681,937,821.44 - Step 5: Solve for x
x = 307,681,937,821.44/586,267.20 - Step 6: Final answer
x = 524,815.20
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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.