Finding the Fourth Proportional to 591,452.80, 887,762.40 and 292,271.20
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Solution
The fourth proportional to 591,452.80, 887,762.40 and 292,271.20 is: 438,694.99
Step by Step Solution
- Step 1: Write the proportion equation
591,452.80 : 887,762.40 = 292,271.20 : x - Step 2: Convert to fraction form
591,452.80/887,762.40 = 292,271.20/x - Step 3: Cross multiply
591,452.80x = 887,762.40 × 292,271.20 - Step 4: Simplify right side
591,452.80x = 259,467,381,962.88 - Step 5: Solve for x
x = 259,467,381,962.88/591,452.80 - Step 6: Final answer
x = 438,694.99
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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.