Finding the Fourth Proportional to 615,202.20, 922,803.30 and 606,907.80
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Solution
The fourth proportional to 615,202.20, 922,803.30 and 606,907.80 is: 910,361.70
Step by Step Solution
- Step 1: Write the proportion equation
615,202.20 : 922,803.30 = 606,907.80 : x - Step 2: Convert to fraction form
615,202.20/922,803.30 = 606,907.80/x - Step 3: Cross multiply
615,202.20x = 922,803.30 × 606,907.80 - Step 4: Simplify right side
615,202.20x = 560,056,520,635.74 - Step 5: Solve for x
x = 560,056,520,635.74/615,202.20 - Step 6: Final answer
x = 910,361.70
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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.