Finding the Fourth Proportional to 586,437.80, 879,656.70 and 271,509.80
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Solution
The fourth proportional to 586,437.80, 879,656.70 and 271,509.80 is: 407,264.70
Step by Step Solution
- Step 1: Write the proportion equation
586,437.80 : 879,656.70 = 271,509.80 : x - Step 2: Convert to fraction form
586,437.80/879,656.70 = 271,509.80/x - Step 3: Cross multiply
586,437.80x = 879,656.70 × 271,509.80 - Step 4: Simplify right side
586,437.80x = 238,835,414,685.66 - Step 5: Solve for x
x = 238,835,414,685.66/586,437.80 - Step 6: Final answer
x = 407,264.70
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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.