Finding the Fourth Proportional to 930,776.84, 1,394,873.56 and 424,099.56
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Solution
The fourth proportional to 930,776.84, 1,394,873.56 and 424,099.56 is: 635,560.80
Step by Step Solution
- Step 1: Write the proportion equation
930,776.84 : 1,394,873.56 = 424,099.56 : x - Step 2: Convert to fraction form
930,776.84/1,394,873.56 = 424,099.56/x - Step 3: Cross multiply
930,776.84x = 1,394,873.56 × 424,099.56 - Step 4: Simplify right side
930,776.84x = 591,565,268,812.53 - Step 5: Solve for x
x = 591,565,268,812.53/930,776.84 - Step 6: Final answer
x = 635,560.80
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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.