Finding the Fourth Proportional to 977,207.76, 1,467,475.92 and 636,231.60
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Solution
The fourth proportional to 977,207.76, 1,467,475.92 and 636,231.60 is: 955,430.96
Step by Step Solution
- Step 1: Write the proportion equation
977,207.76 : 1,467,475.92 = 636,231.60 : x - Step 2: Convert to fraction form
977,207.76/1,467,475.92 = 636,231.60/x - Step 3: Cross multiply
977,207.76x = 1,467,475.92 × 636,231.60 - Step 4: Simplify right side
977,207.76x = 933,654,552,543.07 - Step 5: Solve for x
x = 933,654,552,543.07/977,207.76 - Step 6: Final answer
x = 955,430.96
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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.