Finding the Fourth Proportional to 980,027.44, 1,352,345.43 and 550,223.62
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Solution
The fourth proportional to 980,027.44, 1,352,345.43 and 550,223.62 is: 759,256.70
Step by Step Solution
- Step 1: Write the proportion equation
980,027.44 : 1,352,345.43 = 550,223.62 : x - Step 2: Convert to fraction form
980,027.44/1,352,345.43 = 550,223.62/x - Step 3: Cross multiply
980,027.44x = 1,352,345.43 × 550,223.62 - Step 4: Simplify right side
980,027.44x = 744,092,397,985.06 - Step 5: Solve for x
x = 744,092,397,985.06/980,027.44 - Step 6: Final answer
x = 759,256.70
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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.