Finding the Fourth Proportional to 658,796.42, 908,773.90 and 383,124.09
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Solution
The fourth proportional to 658,796.42, 908,773.90 and 383,124.09 is: 528,498.89
Step by Step Solution
- Step 1: Write the proportion equation
658,796.42 : 908,773.90 = 383,124.09 : x - Step 2: Convert to fraction form
658,796.42/908,773.90 = 383,124.09/x - Step 3: Cross multiply
658,796.42x = 908,773.90 × 383,124.09 - Step 4: Simplify right side
658,796.42x = 348,173,173,453.25 - Step 5: Solve for x
x = 348,173,173,453.25/658,796.42 - Step 6: Final answer
x = 528,498.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.