Finding the Fourth Proportional to 864,697.62, 1,193,780.76 and 574,702.41
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Solution
The fourth proportional to 864,697.62, 1,193,780.76 and 574,702.41 is: 793,420.34
Step by Step Solution
- Step 1: Write the proportion equation
864,697.62 : 1,193,780.76 = 574,702.41 : x - Step 2: Convert to fraction form
864,697.62/1,193,780.76 = 574,702.41/x - Step 3: Cross multiply
864,697.62x = 1,193,780.76 × 574,702.41 - Step 4: Simplify right side
864,697.62x = 686,068,679,783.63 - Step 5: Solve for x
x = 686,068,679,783.63/864,697.62 - Step 6: Final answer
x = 793,420.34
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1.5x scale
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.