Finding the Fourth Proportional to 553,820.05, 764,413.86 and 360,708.97
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Solution
The fourth proportional to 553,820.05, 764,413.86 and 360,708.97 is: 497,870.99
Step by Step Solution
- Step 1: Write the proportion equation
553,820.05 : 764,413.86 = 360,708.97 : x - Step 2: Convert to fraction form
553,820.05/764,413.86 = 360,708.97/x - Step 3: Cross multiply
553,820.05x = 764,413.86 × 360,708.97 - Step 4: Simplify right side
553,820.05x = 275,730,936,094.32 - Step 5: Solve for x
x = 275,730,936,094.32/553,820.05 - Step 6: Final answer
x = 497,870.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.