Finding the Fourth Proportional to 926,397.74, 1,388,884.58 and 470,614.26
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Solution
The fourth proportional to 926,397.74, 1,388,884.58 and 470,614.26 is: 705,559.68
Step by Step Solution
- Step 1: Write the proportion equation
926,397.74 : 1,388,884.58 = 470,614.26 : x - Step 2: Convert to fraction form
926,397.74/1,388,884.58 = 470,614.26/x - Step 3: Cross multiply
926,397.74x = 1,388,884.58 × 470,614.26 - Step 4: Simplify right side
926,397.74x = 653,628,888,842.11 - Step 5: Solve for x
x = 653,628,888,842.11/926,397.74 - Step 6: Final answer
x = 705,559.68
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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.