Finding the Fourth Proportional to 615,207.20, 922,810.80 and 606,912.80
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Solution
The fourth proportional to 615,207.20, 922,810.80 and 606,912.80 is: 910,369.20
Step by Step Solution
- Step 1: Write the proportion equation
615,207.20 : 922,810.80 = 606,912.80 : x - Step 2: Convert to fraction form
615,207.20/922,810.80 = 606,912.80/x - Step 3: Cross multiply
615,207.20x = 922,810.80 × 606,912.80 - Step 4: Simplify right side
615,207.20x = 560,065,686,498.24 - Step 5: Solve for x
x = 560,065,686,498.24/615,207.20 - Step 6: Final answer
x = 910,369.20
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1.5x scale
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.