Finding the Fourth Proportional to 904,214.42, 1,247,817.09 and 496,318.58
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Solution
The fourth proportional to 904,214.42, 1,247,817.09 and 496,318.58 is: 684,920.29
Step by Step Solution
- Step 1: Write the proportion equation
904,214.42 : 1,247,817.09 = 496,318.58 : x - Step 2: Convert to fraction form
904,214.42/1,247,817.09 = 496,318.58/x - Step 3: Cross multiply
904,214.42x = 1,247,817.09 × 496,318.58 - Step 4: Simplify right side
904,214.42x = 619,314,806,208.53 - Step 5: Solve for x
x = 619,314,806,208.53/904,214.42 - Step 6: Final answer
x = 684,920.29
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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.