Finding the Fourth Proportional to 520,363.44, 718,107.12 and 305,506.08
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Solution
The fourth proportional to 520,363.44, 718,107.12 and 305,506.08 is: 421,601.66
Step by Step Solution
- Step 1: Write the proportion equation
520,363.44 : 718,107.12 = 305,506.08 : x - Step 2: Convert to fraction form
520,363.44/718,107.12 = 305,506.08/x - Step 3: Cross multiply
520,363.44x = 718,107.12 × 305,506.08 - Step 4: Simplify right side
520,363.44x = 219,386,091,251.29 - Step 5: Solve for x
x = 219,386,091,251.29/520,363.44 - Step 6: Final answer
x = 421,601.66
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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.