Finding the Fourth Proportional to 988,782.08, 1,483,315.25 and 305,722.19
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Solution
The fourth proportional to 988,782.08, 1,483,315.25 and 305,722.19 is: 458,627.23
Step by Step Solution
- Step 1: Write the proportion equation
988,782.08 : 1,483,315.25 = 305,722.19 : x - Step 2: Convert to fraction form
988,782.08/1,483,315.25 = 305,722.19/x - Step 3: Cross multiply
988,782.08x = 1,483,315.25 × 305,722.19 - Step 4: Simplify right side
988,782.08x = 453,482,388,870.08 - Step 5: Solve for x
x = 453,482,388,870.08/988,782.08 - Step 6: Final answer
x = 458,627.23
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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.