Finding the Fourth Proportional to 509,200.62, 702,719.07 and 282,846.12
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Solution
The fourth proportional to 509,200.62, 702,719.07 and 282,846.12 is: 390,339.99
Step by Step Solution
- Step 1: Write the proportion equation
509,200.62 : 702,719.07 = 282,846.12 : x - Step 2: Convert to fraction form
509,200.62/702,719.07 = 282,846.12/x - Step 3: Cross multiply
509,200.62x = 702,719.07 × 282,846.12 - Step 4: Simplify right side
509,200.62x = 198,761,362,399.51 - Step 5: Solve for x
x = 198,761,362,399.51/509,200.62 - Step 6: Final answer
x = 390,339.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.