Finding the Fourth Proportional to 930,779.42, 1,394,877.41 and 424,102.15
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Solution
The fourth proportional to 930,779.42, 1,394,877.41 and 424,102.15 is: 635,564.65
Step by Step Solution
- Step 1: Write the proportion equation
930,779.42 : 1,394,877.41 = 424,102.15 : x - Step 2: Convert to fraction form
930,779.42/1,394,877.41 = 424,102.15/x - Step 3: Cross multiply
930,779.42x = 1,394,877.41 × 424,102.15 - Step 4: Simplify right side
930,779.42x = 591,570,499,472.53 - Step 5: Solve for x
x = 591,570,499,472.53/930,779.42 - Step 6: Final answer
x = 635,564.65
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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.