Finding the Fourth Proportional to 453,670.70, 680,506.05 and 318,368.30
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Solution
The fourth proportional to 453,670.70, 680,506.05 and 318,368.30 is: 477,552.45
Step by Step Solution
- Step 1: Write the proportion equation
453,670.70 : 680,506.05 = 318,368.30 : x - Step 2: Convert to fraction form
453,670.70/680,506.05 = 318,368.30/x - Step 3: Cross multiply
453,670.70x = 680,506.05 × 318,368.30 - Step 4: Simplify right side
453,670.70x = 216,651,554,278.22 - Step 5: Solve for x
x = 216,651,554,278.22/453,670.70 - Step 6: Final answer
x = 477,552.45
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1.5x scale
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.