Finding the Fourth Proportional to 658,844.10, 988,266.15 and 651,845.70
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Solution
The fourth proportional to 658,844.10, 988,266.15 and 651,845.70 is: 977,768.55
Step by Step Solution
- Step 1: Write the proportion equation
658,844.10 : 988,266.15 = 651,845.70 : x - Step 2: Convert to fraction form
658,844.10/988,266.15 = 651,845.70/x - Step 3: Cross multiply
658,844.10x = 988,266.15 × 651,845.70 - Step 4: Simplify right side
658,844.10x = 644,197,040,333.06 - Step 5: Solve for x
x = 644,197,040,333.06/658,844.10 - Step 6: Final answer
x = 977,768.55
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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.