Finding the Fourth Proportional to 563,743.08, 777,959.64 and 309,093.84
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Solution
The fourth proportional to 563,743.08, 777,959.64 and 309,093.84 is: 426,546.31
Step by Step Solution
- Step 1: Write the proportion equation
563,743.08 : 777,959.64 = 309,093.84 : x - Step 2: Convert to fraction form
563,743.08/777,959.64 = 309,093.84/x - Step 3: Cross multiply
563,743.08x = 777,959.64 × 309,093.84 - Step 4: Simplify right side
563,743.08x = 240,462,532,492.62 - Step 5: Solve for x
x = 240,462,532,492.62/563,743.08 - Step 6: Final answer
x = 426,546.31
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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.