Finding the Fourth Proportional to 488,953.80, 733,430.70 and 370,855.80
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Solution
The fourth proportional to 488,953.80, 733,430.70 and 370,855.80 is: 556,283.70
Step by Step Solution
- Step 1: Write the proportion equation
488,953.80 : 733,430.70 = 370,855.80 : x - Step 2: Convert to fraction form
488,953.80/733,430.70 = 370,855.80/x - Step 3: Cross multiply
488,953.80x = 733,430.70 × 370,855.80 - Step 4: Simplify right side
488,953.80x = 271,997,028,993.06 - Step 5: Solve for x
x = 271,997,028,993.06/488,953.80 - Step 6: Final answer
x = 556,283.70
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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.