Finding the Fourth Proportional to 465,449.48, 642,699.06 and 379,421.96
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Solution
The fourth proportional to 465,449.48, 642,699.06 and 379,421.96 is: 523,911.07
Step by Step Solution
- Step 1: Write the proportion equation
465,449.48 : 642,699.06 = 379,421.96 : x - Step 2: Convert to fraction form
465,449.48/642,699.06 = 379,421.96/x - Step 3: Cross multiply
465,449.48x = 642,699.06 × 379,421.96 - Step 4: Simplify right side
465,449.48x = 243,854,137,035.36 - Step 5: Solve for x
x = 243,854,137,035.36/465,449.48 - Step 6: Final answer
x = 523,911.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.