Finding the Fourth Proportional to 528,188.58, 790,930.58 and 291,268.44
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Solution
The fourth proportional to 528,188.58, 790,930.58 and 291,268.44 is: 436,156.94
Step by Step Solution
- Step 1: Write the proportion equation
528,188.58 : 790,930.58 = 291,268.44 : x - Step 2: Convert to fraction form
528,188.58/790,930.58 = 291,268.44/x - Step 3: Cross multiply
528,188.58x = 790,930.58 × 291,268.44 - Step 4: Simplify right side
528,188.58x = 230,373,114,728.55 - Step 5: Solve for x
x = 230,373,114,728.55/528,188.58 - Step 6: Final answer
x = 436,156.94
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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.