Finding the Fourth Proportional to 532,787.93, 735,261.79 and 318,052.67
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Solution
The fourth proportional to 532,787.93, 735,261.79 and 318,052.67 is: 438,921.31
Step by Step Solution
- Step 1: Write the proportion equation
532,787.93 : 735,261.79 = 318,052.67 : x - Step 2: Convert to fraction form
532,787.93/735,261.79 = 318,052.67/x - Step 3: Cross multiply
532,787.93x = 735,261.79 × 318,052.67 - Step 4: Simplify right side
532,787.93x = 233,851,975,458.48 - Step 5: Solve for x
x = 233,851,975,458.48/532,787.93 - Step 6: Final answer
x = 438,921.31
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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.