Finding the Fourth Proportional to 838,676.52, 1,157,386.77 and 456,702.99
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Solution
The fourth proportional to 838,676.52, 1,157,386.77 and 456,702.99 is: 630,257.30
Step by Step Solution
- Step 1: Write the proportion equation
838,676.52 : 1,157,386.77 = 456,702.99 : x - Step 2: Convert to fraction form
838,676.52/1,157,386.77 = 456,702.99/x - Step 3: Cross multiply
838,676.52x = 1,157,386.77 × 456,702.99 - Step 4: Simplify right side
838,676.52x = 528,581,998,445.44 - Step 5: Solve for x
x = 528,581,998,445.44/838,676.52 - Step 6: Final answer
x = 630,257.30
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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.