Finding the Fourth Proportional to 712,248.46, 1,068,370.26 and 291,524.74
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Solution
The fourth proportional to 712,248.46, 1,068,370.26 and 291,524.74 is: 437,286.12
Step by Step Solution
- Step 1: Write the proportion equation
712,248.46 : 1,068,370.26 = 291,524.74 : x - Step 2: Convert to fraction form
712,248.46/1,068,370.26 = 291,524.74/x - Step 3: Cross multiply
712,248.46x = 1,068,370.26 × 291,524.74 - Step 4: Simplify right side
712,248.46x = 311,456,362,270.23 - Step 5: Solve for x
x = 311,456,362,270.23/712,248.46 - Step 6: Final answer
x = 437,286.12
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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.