Finding the Fourth Proportional to 919,217.08, 1,268,104.98 and 537,072.04
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Solution
The fourth proportional to 919,217.08, 1,268,104.98 and 537,072.04 is: 740,917.18
Step by Step Solution
- Step 1: Write the proportion equation
919,217.08 : 1,268,104.98 = 537,072.04 : x - Step 2: Convert to fraction form
919,217.08/1,268,104.98 = 537,072.04/x - Step 3: Cross multiply
919,217.08x = 1,268,104.98 × 537,072.04 - Step 4: Simplify right side
919,217.08x = 681,063,728,542.76 - Step 5: Solve for x
x = 681,063,728,542.76/919,217.08 - Step 6: Final answer
x = 740,917.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.