Finding the Fourth Proportional to 920,893.08, 1,381,435.64 and 352,273.08
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Solution
The fourth proportional to 920,893.08, 1,381,435.64 and 352,273.08 is: 528,446.35
Step by Step Solution
- Step 1: Write the proportion equation
920,893.08 : 1,381,435.64 = 352,273.08 : x - Step 2: Convert to fraction form
920,893.08/1,381,435.64 = 352,273.08/x - Step 3: Cross multiply
920,893.08x = 1,381,435.64 × 352,273.08 - Step 4: Simplify right side
920,893.08x = 486,642,587,724.57 - Step 5: Solve for x
x = 486,642,587,724.57/920,893.08 - Step 6: Final answer
x = 528,446.35
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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.