Finding the Fourth Proportional to 659,774.08, 910,707.60 and 469,339.84
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Solution
The fourth proportional to 659,774.08, 910,707.60 and 469,339.84 is: 647,845.03
Step by Step Solution
- Step 1: Write the proportion equation
659,774.08 : 910,707.60 = 469,339.84 : x - Step 2: Convert to fraction form
659,774.08/910,707.60 = 469,339.84/x - Step 3: Cross multiply
659,774.08x = 910,707.60 × 469,339.84 - Step 4: Simplify right side
659,774.08x = 427,431,359,270.78 - Step 5: Solve for x
x = 427,431,359,270.78/659,774.08 - Step 6: Final answer
x = 647,845.03
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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.