Finding the Fourth Proportional to 1,313,448.42, 1,970,009.58 and 353,979.09
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Solution
The fourth proportional to 1,313,448.42, 1,970,009.58 and 353,979.09 is: 530,924.69
Step by Step Solution
- Step 1: Write the proportion equation
1,313,448.42 : 1,970,009.58 = 353,979.09 : x - Step 2: Convert to fraction form
1,313,448.42/1,970,009.58 = 353,979.09/x - Step 3: Cross multiply
1,313,448.42x = 1,970,009.58 × 353,979.09 - Step 4: Simplify right side
1,313,448.42x = 697,342,198,419.68 - Step 5: Solve for x
x = 697,342,198,419.68/1,313,448.42 - Step 6: Final answer
x = 530,924.69
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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.