Finding the Fourth Proportional to 440,812.56, 608,320.76 and 257,058.53
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Solution
The fourth proportional to 440,812.56, 608,320.76 and 257,058.53 is: 354,740.43
Step by Step Solution
- Step 1: Write the proportion equation
440,812.56 : 608,320.76 = 257,058.53 : x - Step 2: Convert to fraction form
440,812.56/608,320.76 = 257,058.53/x - Step 3: Cross multiply
440,812.56x = 608,320.76 × 257,058.53 - Step 4: Simplify right side
440,812.56x = 156,374,036,007.19 - Step 5: Solve for x
x = 156,374,036,007.19/440,812.56 - Step 6: Final answer
x = 354,740.43
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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.