Finding the Fourth Proportional to 847,232.20, 1,270,848.30 and 314,697.70
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Solution
The fourth proportional to 847,232.20, 1,270,848.30 and 314,697.70 is: 472,046.55
Step by Step Solution
- Step 1: Write the proportion equation
847,232.20 : 1,270,848.30 = 314,697.70 : x - Step 2: Convert to fraction form
847,232.20/1,270,848.30 = 314,697.70/x - Step 3: Cross multiply
847,232.20x = 1,270,848.30 × 314,697.70 - Step 4: Simplify right side
847,232.20x = 399,933,037,058.91 - Step 5: Solve for x
x = 399,933,037,058.91/847,232.20 - Step 6: Final answer
x = 472,046.55
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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.