Finding the Fourth Proportional to 428,437.74, 590,562.02 and 337,648.08
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Solution
The fourth proportional to 428,437.74, 590,562.02 and 337,648.08 is: 465,416.82
Step by Step Solution
- Step 1: Write the proportion equation
428,437.74 : 590,562.02 = 337,648.08 : x - Step 2: Convert to fraction form
428,437.74/590,562.02 = 337,648.08/x - Step 3: Cross multiply
428,437.74x = 590,562.02 × 337,648.08 - Step 4: Simplify right side
428,437.74x = 199,402,132,173.92 - Step 5: Solve for x
x = 199,402,132,173.92/428,437.74 - Step 6: Final answer
x = 465,416.82
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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.