Finding the Fourth Proportional to 453,827.80, 680,741.70 and 313,859.80
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Solution
The fourth proportional to 453,827.80, 680,741.70 and 313,859.80 is: 470,789.70
Step by Step Solution
- Step 1: Write the proportion equation
453,827.80 : 680,741.70 = 313,859.80 : x - Step 2: Convert to fraction form
453,827.80/680,741.70 = 313,859.80/x - Step 3: Cross multiply
453,827.80x = 680,741.70 × 313,859.80 - Step 4: Simplify right side
453,827.80x = 213,657,453,813.66 - Step 5: Solve for x
x = 213,657,453,813.66/453,827.80 - Step 6: Final answer
x = 470,789.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.