Finding the Fourth Proportional to 869,125.20, 1,303,687.80 and 564,694.80
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Solution
The fourth proportional to 869,125.20, 1,303,687.80 and 564,694.80 is: 847,042.20
Step by Step Solution
- Step 1: Write the proportion equation
869,125.20 : 1,303,687.80 = 564,694.80 : x - Step 2: Convert to fraction form
869,125.20/1,303,687.80 = 564,694.80/x - Step 3: Cross multiply
869,125.20x = 1,303,687.80 × 564,694.80 - Step 4: Simplify right side
869,125.20x = 736,185,721,483.44 - Step 5: Solve for x
x = 736,185,721,483.44/869,125.20 - Step 6: Final answer
x = 847,042.20
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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.