Finding the Fourth Proportional to 904,772.24, 1,355,090.67 and 431,789.75
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Solution
The fourth proportional to 904,772.24, 1,355,090.67 and 431,789.75 is: 646,697.85
Step by Step Solution
- Step 1: Write the proportion equation
904,772.24 : 1,355,090.67 = 431,789.75 : x - Step 2: Convert to fraction form
904,772.24/1,355,090.67 = 431,789.75/x - Step 3: Cross multiply
904,772.24x = 1,355,090.67 × 431,789.75 - Step 4: Simplify right side
904,772.24x = 585,114,254,851.18 - Step 5: Solve for x
x = 585,114,254,851.18/904,772.24 - Step 6: Final answer
x = 646,697.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.