Finding the Fourth Proportional to 731,237.60, 1,096,413.42 and 478,212.68
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Solution
The fourth proportional to 731,237.60, 1,096,413.42 and 478,212.68 is: 717,029.32
Step by Step Solution
- Step 1: Write the proportion equation
731,237.60 : 1,096,413.42 = 478,212.68 : x - Step 2: Convert to fraction form
731,237.60/1,096,413.42 = 478,212.68/x - Step 3: Cross multiply
731,237.60x = 1,096,413.42 × 478,212.68 - Step 4: Simplify right side
731,237.60x = 524,318,799,966.17 - Step 5: Solve for x
x = 524,318,799,966.17/731,237.60 - Step 6: Final answer
x = 717,029.32
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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.