Finding the Fourth Proportional to 493,863.40, 740,795.10 and 474,509.80
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Solution
The fourth proportional to 493,863.40, 740,795.10 and 474,509.80 is: 711,764.70
Step by Step Solution
- Step 1: Write the proportion equation
493,863.40 : 740,795.10 = 474,509.80 : x - Step 2: Convert to fraction form
493,863.40/740,795.10 = 474,509.80/x - Step 3: Cross multiply
493,863.40x = 740,795.10 × 474,509.80 - Step 4: Simplify right side
493,863.40x = 351,514,534,741.98 - Step 5: Solve for x
x = 351,514,534,741.98/493,863.40 - Step 6: Final answer
x = 711,764.70
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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.