Finding the Fourth Proportional to 996,987.70, 1,495,481.55 and 577,083.70
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Solution
The fourth proportional to 996,987.70, 1,495,481.55 and 577,083.70 is: 865,625.55
Step by Step Solution
- Step 1: Write the proportion equation
996,987.70 : 1,495,481.55 = 577,083.70 : x - Step 2: Convert to fraction form
996,987.70/1,495,481.55 = 577,083.70/x - Step 3: Cross multiply
996,987.70x = 1,495,481.55 × 577,083.70 - Step 4: Simplify right side
996,987.70x = 863,018,026,155.74 - Step 5: Solve for x
x = 863,018,026,155.74/996,987.70 - Step 6: Final answer
x = 865,625.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.