Finding the Fourth Proportional to 958,280.22, 1,437,109.36 and 318,412.12
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Solution
The fourth proportional to 958,280.22, 1,437,109.36 and 318,412.12 is: 477,514.85
Step by Step Solution
- Step 1: Write the proportion equation
958,280.22 : 1,437,109.36 = 318,412.12 : x - Step 2: Convert to fraction form
958,280.22/1,437,109.36 = 318,412.12/x - Step 3: Cross multiply
958,280.22x = 1,437,109.36 × 318,412.12 - Step 4: Simplify right side
958,280.22x = 457,593,037,989.44 - Step 5: Solve for x
x = 457,593,037,989.44/958,280.22 - Step 6: Final answer
x = 477,514.85
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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.