Finding the Fourth Proportional to 1,403,635.24, 2,105,433.30 and 338,668.36
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Solution
The fourth proportional to 1,403,635.24, 2,105,433.30 and 338,668.36 is: 507,997.82
Step by Step Solution
- Step 1: Write the proportion equation
1,403,635.24 : 2,105,433.30 = 338,668.36 : x - Step 2: Convert to fraction form
1,403,635.24/2,105,433.30 = 338,668.36/x - Step 3: Cross multiply
1,403,635.24x = 2,105,433.30 × 338,668.36 - Step 4: Simplify right side
1,403,635.24x = 713,043,642,800.39 - Step 5: Solve for x
x = 713,043,642,800.39/1,403,635.24 - Step 6: Final answer
x = 507,997.82
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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.