Finding the Fourth Proportional to 688,539.06, 949,906.44 and 416,134.02
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Solution
The fourth proportional to 688,539.06, 949,906.44 and 416,134.02 is: 574,097.26
Step by Step Solution
- Step 1: Write the proportion equation
688,539.06 : 949,906.44 = 416,134.02 : x - Step 2: Convert to fraction form
688,539.06/949,906.44 = 416,134.02/x - Step 3: Cross multiply
688,539.06x = 949,906.44 × 416,134.02 - Step 4: Simplify right side
688,539.06x = 395,288,387,502.74 - Step 5: Solve for x
x = 395,288,387,502.74/688,539.06 - Step 6: Final answer
x = 574,097.26
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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.