Finding the Fourth Proportional to 624,506.21, 861,835.37 and 379,407.53
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Solution
The fourth proportional to 624,506.21, 861,835.37 and 379,407.53 is: 523,592.59
Step by Step Solution
- Step 1: Write the proportion equation
624,506.21 : 861,835.37 = 379,407.53 : x - Step 2: Convert to fraction form
624,506.21/861,835.37 = 379,407.53/x - Step 3: Cross multiply
624,506.21x = 861,835.37 × 379,407.53 - Step 4: Simplify right side
624,506.21x = 326,986,824,689.16 - Step 5: Solve for x
x = 326,986,824,689.16/624,506.21 - Step 6: Final answer
x = 523,592.59
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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.