Finding the Fourth Proportional to 1,348,753.76, 2,021,815.70 and 538,896.76
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Solution
The fourth proportional to 1,348,753.76, 2,021,815.70 and 538,896.76 is: 807,819.75
Step by Step Solution
- Step 1: Write the proportion equation
1,348,753.76 : 2,021,815.70 = 538,896.76 : x - Step 2: Convert to fraction form
1,348,753.76/2,021,815.70 = 538,896.76/x - Step 3: Cross multiply
1,348,753.76x = 2,021,815.70 × 538,896.76 - Step 4: Simplify right side
1,348,753.76x = 1,089,549,930,047.13 - Step 5: Solve for x
x = 1,089,549,930,047.13/1,348,753.76 - Step 6: Final answer
x = 807,819.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.