Finding the Fourth Proportional to 808,129.01, 1,212,199.56 and 358,729.07
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Solution
The fourth proportional to 808,129.01, 1,212,199.56 and 358,729.07 is: 538,096.28
Step by Step Solution
- Step 1: Write the proportion equation
808,129.01 : 1,212,199.56 = 358,729.07 : x - Step 2: Convert to fraction form
808,129.01/1,212,199.56 = 358,729.07/x - Step 3: Cross multiply
808,129.01x = 1,212,199.56 × 358,729.07 - Step 4: Simplify right side
808,129.01x = 434,851,214,752.21 - Step 5: Solve for x
x = 434,851,214,752.21/808,129.01 - Step 6: Final answer
x = 538,096.28
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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.