Finding the Fourth Proportional to 470,420.74, 702,076.11 and 425,020.02
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Solution
The fourth proportional to 470,420.74, 702,076.11 and 425,020.02 is: 634,318.12
Step by Step Solution
- Step 1: Write the proportion equation
470,420.74 : 702,076.11 = 425,020.02 : x - Step 2: Convert to fraction form
470,420.74/702,076.11 = 425,020.02/x - Step 3: Cross multiply
470,420.74x = 702,076.11 × 425,020.02 - Step 4: Simplify right side
470,420.74x = 298,396,400,188.62 - Step 5: Solve for x
x = 298,396,400,188.62/470,420.74 - Step 6: Final answer
x = 634,318.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.