Finding the Fourth Proportional to 634,811.55, 951,716.29 and 314,742.74
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Solution
The fourth proportional to 634,811.55, 951,716.29 and 314,742.74 is: 471,865.69
Step by Step Solution
- Step 1: Write the proportion equation
634,811.55 : 951,716.29 = 314,742.74 : x - Step 2: Convert to fraction form
634,811.55/951,716.29 = 314,742.74/x - Step 3: Cross multiply
634,811.55x = 951,716.29 × 314,742.74 - Step 4: Simplify right side
634,811.55x = 299,545,792,817.24 - Step 5: Solve for x
x = 299,545,792,817.24/634,811.55 - Step 6: Final answer
x = 471,865.69
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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.